CyberICT

CVE-2026-42896

Microsoft · Published May 12, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows DWM Core Library Elevation of Privilege Vulnerability. Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Affected Products

  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems

CVSS Vector

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