CyberICT

CVE-2026-69588

Microsoft · Published September 8, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows TCP/IP Denial of Service Vulnerability. Missing release of memory after effective lifetime in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

Affected Products

  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 25H2 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