CyberICT

CVE-2026-103558

Microsoft · Published October 13, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows Routing and Remote Access Service (RRAS) Denial of Service Vulnerability. Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.

Affected Products

  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 26H2 for ARM64-based Systems

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C