{"id":39392,"date":"2026-04-29T13:01:19","date_gmt":"2026-04-29T13:01:19","guid":{"rendered":"https:\/\/fidelissecurity.com\/?post_type=vulnerabilities&#038;p=39392"},"modified":"2026-04-29T13:01:19","modified_gmt":"2026-04-29T13:01:19","slug":"cve-2026-25172","status":"publish","type":"vulnerabilities","link":"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-25172\/","title":{"rendered":"CVE-2026-25172"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"39392\" class=\"elementor elementor-39392\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"vulnerabilities\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10f184a e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"10f184a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e2ebbc elementor-widget elementor-widget-heading\" data-id=\"0e2ebbc\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"summary\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Summary<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0352243 elementor-widget elementor-widget-text-editor\" data-id=\"0352243\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When processing manipulated network traffic, CVE-2026-25172, a high-severity remote code execution vulnerability in Windows RRAS, can cause heap memory corruption due to wraparound or integer overflow problems, potentially allowing arbitrary code execution. It impacts a number of Windows client and server versions with RRAS enabled, such as Windows Server 2012-2025 and various versions of Windows 10 and Windows 11.<\/p><p>In order to resolve it, Microsoft released security updates in March 2026 that included cumulative patches and the KB5084597 hotpatch for Windows 11 enterprise systems that were supported. In hotpatch-enabled environments, some of the solutions were designed to be deployed without a system reboot.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b3f860 elementor-widget elementor-widget-heading\" data-id=\"0b3f860\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"actions-required\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Urgent Actions Required<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e58d2d elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"8e58d2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Apply Microsoft updates for CVE-2026-25172 on all affected systems<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Install March 2026 cumulative updates or KB5084597 hotpatch where applicable<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Disable RRAS if not required<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Restrict RRAS access using firewall or segmentation<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Monitor RRAS logs and network activity for anomalies<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-431855e e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"431855e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e6059c5 elementor-widget elementor-widget-heading\" data-id=\"e6059c5\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"vulnerable-systems\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which Systems Are Vulnerable to\u202fCVE-2026-25172?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91f5818 elementor-widget elementor-widget-heading\" data-id=\"91f5818\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Technical Overview<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d261fe2 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"d261fe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Vulnerability Type:<\/b> <br>Integer overflow\/wraparound leading to heap-based memory corruption in Windows Routing and Remote Access Service (RRAS), enabling remote code execution<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Affected Software\/Versions:<\/b> <ul> <li>Windows Server 2012<\/li> <li>Windows Server 2012 R2<\/li> <li>Windows Server 2016 (before 10.0.14393.8957)<\/li> <li>Windows Server 2019 (before 10.0.17763.8511)<\/li> <li>Windows Server 2022 (before 10.0.20348.4830)<\/li> <li>Windows Server 2022, 23H2 Edition<\/li> <li>Windows Server 2025 (before 10.0.26100.32463)<\/li> <li>Windows 10 Version 1607<\/li> <li>Windows 10 Version 1809<\/li> <li>Windows 10 Version 21H2<\/li> <li>Windows 10 Version 22H2<\/li> <li>Windows 11 Version 23H2<\/li> <li>Windows 11 Version 24H2<\/li> <li>Windows 11 Version 25H2<\/li> <li>Windows 11 Version 26H1<\/li> <li>Any system with Windows Routing and Remote Access Service (RRAS) enabled<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>CVSS Vector:\u202fv3.1<\/b> <ul> <li>Attack Vector: Network<\/li> <li>Attack Complexity: Low<\/li> <li>Privileges Required: Low<\/li> <li>User Interaction: Required<\/li> <li>Scope: Unchanged<\/li> <li>Confidentiality Impact: High<\/li> <li>Integrity Impact: High<\/li> <li>Availability Impact: High<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Patch Availability:<\/b>\u202fYes, available<br><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-25172\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">\ud83d\udd03 Security Update Guide - Loading - Microsoft<\/a><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-496d048 e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"496d048\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-759b53d elementor-widget elementor-widget-heading\" data-id=\"759b53d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Does the\u202fCVE-2026-25172 Exploit Work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e9e9cb elementor-widget elementor-widget-text-editor\" data-id=\"0e9e9cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The attack typically follows these steps:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b05bab elementor-widget elementor-widget-image\" data-id=\"2b05bab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"796\" src=\"https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/04\/CVE-2026-25172.webp\" class=\"attachment-full size-full wp-image-39393\" alt=\"CVE-2026-25172\" srcset=\"https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/04\/CVE-2026-25172.webp 750w, https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/04\/CVE-2026-25172-283x300.webp 283w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a93a1eb elementor-widget elementor-widget-heading\" data-id=\"a93a1eb\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"mitigate\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Causes\u202fCVE-2026-25172?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7275c12 elementor-widget elementor-widget-text-editor\" data-id=\"7275c12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Vulnerability Root Cause:<\/strong><\/em><\/p><p>This vulnerability arises from improper handling of integer values within the Windows Routing and Remote Access Service. When processing crafted network input, integer values can overflow or wraparound, resulting in incorrect memory allocation. This leads to a heap-based buffer overflow condition, allowing memory corruption that can be leveraged to execute arbitrary code over a network.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1e32da elementor-widget elementor-widget-heading\" data-id=\"e1e32da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Can You Mitigate\u202fCVE-2026-25172?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f81845 elementor-widget elementor-widget-text-editor\" data-id=\"4f81845\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>If immediate patching is delayed or not possible:<\/strong><\/em><\/p><ul><li>Disable Windows Routing and Remote Access Service if not needed.<\/li><li>Restrict access using firewalls and network segmentation.<\/li><li>Allow only trusted sources to reach RRAS.<\/li><li>Monitor RRAS traffic for abnormal or malformed requests.<\/li><li>Apply Microsoft security updates promptly.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-048e63e elementor-widget elementor-widget-heading\" data-id=\"048e63e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which Assets and Systems Are at Risk?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a622920 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"a622920\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Asset Types Affected:<\/b> <ul> <li>Windows operating systems with the Routing and Remote Access Service enabled<\/li> <li>Windows Server environments using remote access or routing features<\/li> <li>Enterprise systems exposing the Routing and Remote Access Service over a network<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Business-Critical Systems at Risk:<\/b> <ul> <li>Remote access infrastructure using the Routing and Remote Access Service<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Exposure Level:<\/b> <ul> <li>Network-accessible systems where Routing and Remote Access Service is enabled<\/li> <li>Windows servers and clients configured for remote routing or access services<\/li> <li>Enterprise environments where Routing and Remote Access Service is exposed to internal or external networks<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ef2446 elementor-widget elementor-widget-heading\" data-id=\"4ef2446\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Will Patching\u202fCVE-2026-25172 Cause Downtime?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19f3d82 elementor-widget elementor-widget-text-editor\" data-id=\"19f3d82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Patch application impact:<\/strong>\u202fModerate. Microsoft released security and hotpatch updates for CVE-2026-25172 across affected Windows systems. Some installations may require updates and system restarts depending on configuration.<\/p><p><strong>Mitigation (if immediate patching is not possible):<\/strong>\u202fDisable RRAS if not needed. Restrict access with firewalls and segmentation. Monitor traffic for anomalies. Apply Microsoft security updates for full mitigation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16d5fc0 elementor-widget elementor-widget-heading\" data-id=\"16d5fc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Can You Detect\u202fCVE-2026-25172 Exploitation?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3af05b1 elementor-widget elementor-widget-heading\" data-id=\"3af05b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Exploitation Signatures:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a539b10 elementor-widget elementor-widget-text-editor\" data-id=\"a539b10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Look for abnormal or crafted network traffic targeting the Windows Routing and Remote Access Service that triggers unexpected processing of integer values. Indicators may include malformed requests that cause service errors, instability, or crashes.\u202f<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-221fc5e elementor-widget elementor-widget-heading\" data-id=\"221fc5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Indicators of Compromise (IOCs\/IOAs):<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f737893 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"f737893\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Unexpected crashes or restarts of the Windows Routing and Remote Access Service<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Errors in Windows Event Logs related to Remote Access services<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Unusual or malformed network traffic directed at the Routing and Remote Access Service<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Signs of memory corruption or abnormal service behavior after network requests<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dcbae36 elementor-widget elementor-widget-heading\" data-id=\"dcbae36\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Behavioral\u202fIndicators:\u202f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a186984 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"a186984\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Service failures occurring during the processing of network input<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Unexpected system behavior linked to Routing and Remote Access Service execution<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Evidence of heap memory corruption affecting service stability<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Abnormal activity originating from Remote Access service components<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a751ff elementor-widget elementor-widget-heading\" data-id=\"9a751ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Alerting Strategy:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2280585 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2280585\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Priority: High<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Trigger alerts for:<\/b> <ul> <li>Malformed or unusual network traffic targeting the Routing and Remote Access Service<\/li> <li>Repeated failures or crashes of the Routing and Remote Access Service<\/li> <li>Suspicious activity observed in Remote Access service logs or processes<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ccf3cc elementor-widget elementor-widget-heading\" data-id=\"1ccf3cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Remediation &amp; Response<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-839aa54 elementor-widget-laptop__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"839aa54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Remediation Timeline:<\/b> <ul> <li>Apply Microsoft security updates addressing CVE-2026-25172 across affected Windows systems.<\/li> <li>Deploy cumulative updates and Windows 11 hotpatch update (KB5084597) where applicable for enterprise environments.<\/li> <li>Verify that all systems running Windows Routing and Remote Access Service are updated.<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Rollback Plan:<\/b> <br> If issues occur after updating, revert to the previous stable Windows update state using standard system rollback procedures.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Incident Response Considerations:<\/b> <ul> <li>Isolate systems where Windows Routing and Remote Access Service is enabled if suspicious activity is detected.<\/li> <li>Review Windows Event Logs and Routing and Remote Access Service logs for errors or abnormal activity.<\/li> <li>Investigate systems showing service crashes, unexpected behavior, or signs of memory corruption linked to the Routing and Remote Access Service.<\/li> <li>Monitor network traffic targeting the Routing and Remote Access Service for malformed or unusual requests after remediation.<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-569c4e2 elementor-widget elementor-widget-heading\" data-id=\"569c4e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Compliance &amp; Governance Notes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19d3bb4 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"19d3bb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Audit Trail Requirement:<\/b> <ul> <li>Record deployment of Microsoft security updates addressing CVE-2026-25172<\/li> <li>Document installation of cumulative updates and Windows 11 hotpatch (KB5084597, where applicable)<\/li> <li>Maintain Windows Event Logs and Routing and Remote Access Service logs related to security activity<\/li> <li>Track update status across affected Windows systems<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Policy Alignment:<\/b> <ul> <li>Maintain vulnerability management processes for applying Microsoft security updates<\/li> <li>Ensure systems running Windows Routing and Remote Access Service are included in asset monitoring<\/li> <li>Enforce network access restrictions for the Routing and Remote Access Service<\/li> <li>Maintain logging and monitoring for the Routing and Remote Access Service activity<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7a3f49 e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"a7a3f49\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5dcd9e keepExploring elementor-widget elementor-widget-related_posts\" data-id=\"f5dcd9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"related_posts.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div id=\"widget-related-posts\" class=\"related-posts-widget-wrapper\">\r\n            <div class=\"related-posts-wrapper\">\r\n\r\n                                    <h3>Keep Exploring<\/h3>\r\n                \r\n                                    <p>Detailed insights into critical and emerging CVEs<\/p>\r\n                \r\n                <div class=\"ecs-posts elementor-posts-container elementor-posts\"><ul class=\"related-posts-list\" style=\"list-style:none;padding:0;\"><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-44756\/\">CVE-2026-44756<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-55040\/\">CVE-2026-55040<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-68820\/\">CVE-2026-68820<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-65791\/\">CVE-2026-65791<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-62878\/\">CVE-2026-62878<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-58231\/\">CVE-2026-58231<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-65400\/\">CVE-2026-65400<\/a><\/li><li style=\"margin-bottom:10px;\"><a href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-63077\/\">CVE-2026-63077<\/a><\/li><\/ul><\/div>\r\n            <\/div>\r\n        <\/div>\r\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6753ae5c e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"6753ae5c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9cc6dc7 elementor-widget elementor-widget-heading\" data-id=\"9cc6dc7\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"cvss-breakdown-table\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CVSS Breakdown Table\u202f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76c57f0 elementor-widget elementor-widget-Table\" data-id=\"76c57f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"Table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table class=\"tafe-table \">\n\t\t\t<thead  class=\"tafe-table-header\">\n\t\t\t\t<tr>\n\t\t\t\t\t<th class=\"elementor-inline-editing elementor-repeater-item-58d4a4b\"   >Metric<\/th><th class=\"elementor-inline-editing elementor-repeater-item-5df925d\"   >Value\u202f<\/th><th class=\"elementor-inline-editing elementor-repeater-item-1a6f993\"   >Description<\/th>\t\t\t\t<\/tr>\n\t\t\t<\/thead>\n\t\t\t\t\t\t<tbody class=\"tafe-table-body\">\n\t\t\t\t<tr>\n\t\t\t\t\t<td data-label=\"Metric\"   class=\"elementor-repeater-item-480a869 td-content-type-default\" >Base Score<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-ff1827d td-content-type-default\" >8.0<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-5024640 td-content-type-default\" >High severity vulnerability affecting Windows Routing and Remote Access Service<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-1ddd412 td-content-type-default\" >Attack Vector<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-bbd7e7e td-content-type-default\" >Network <\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-4a0a1fd td-content-type-default\" >Exploitable remotely over a network via crafted traffic<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-6c597f3 td-content-type-default\" >Attack Complexity<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-ed0abd9 td-content-type-default\" >Low<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-7a9fabf td-content-type-default\" >Exploitation does not require special conditions<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-91f8a20 td-content-type-default\" >Privileges Required<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-5531257 td-content-type-default\" >Low<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-7e3c677 td-content-type-default\" >Some sources indicate that low privileges, or authorized access may be required<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-2a08640 td-content-type-default\" >User Interaction <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-ba738dd td-content-type-default\" >Required<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-86ba742 td-content-type-default\" >Some scenarios require user action, such as interacting with a malicious server<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-83d4b57 td-content-type-default\" >Scope <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-a033634 td-content-type-default\" >Unchanged <\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-2f5ca21 td-content-type-default\" >Impact remains within the vulnerable Windows Routing and Remote Access Service context<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-9e69ec2 td-content-type-default\" >Confidentiality Impact <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-60a205a td-content-type-default\" >High<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-b6f0509 td-content-type-default\" >Exploitation can lead to the exposure of sensitive system information through code execution<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-9f056c9 td-content-type-default\" >Integrity Impact <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-1a6b266 td-content-type-default\" >High<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-4e63a19 td-content-type-default\" >Attacker can execute arbitrary code and alter system behavior<\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-d664870 td-content-type-default\" >Availability Impact<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-bfc0d04 td-content-type-default\" >High<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-6066841 td-content-type-default\" >Successful exploitation can disrupt services through system compromise or instability<\/td>\t\t\t\t<\/tr>\n\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-29f0fef e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"29f0fef\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fd79500 elementor-widget elementor-widget-heading\" data-id=\"fd79500\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"resources\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">References:<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bdf004 elementor-widget elementor-widget-text-editor\" data-id=\"3bdf004\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2026-25172\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">NVD &#8211; CVE-2026-25172<\/a><\/li><li><a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-25172\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">CVE Record: CVE-2026-25172<\/a><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>CVE-2026-25172 is a high-severity remote code execution vulnerability in Windows Routing and Remote Access Service caused by integer overflow conditions leading to heap memory corruption when processing crafted network traffic. It affects multiple Windows client and server versions with RRAS enabled and is addressed through Microsoft March 2026 security updates, including cumulative patches and hotpatch releases.<\/p>\n","protected":false},"featured_media":39393,"template":"","severity":[1473],"vuln_year":[1524],"class_list":["post-39392","vulnerabilities","type-vulnerabilities","status-publish","has-post-thumbnail","hentry","severity-high","vuln_year-1524"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CVE-2026-25172: Windows RRAS RCE Vulnerability | Fidelis Security<\/title>\n<meta name=\"description\" content=\"CVE-2026-25172 RCE in Windows Routing and Remote Access Service via integer overflow. 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