CVE-2026-27923

Microsoft · Published April 14, 2026

7.8

CVSS v3.1

HIGH

Patch availableGet patch

Description

Desktop Window Manager Elevation of Privilege Vulnerability. Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

Affected Products

Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-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