CVE-2026-58633 HIGH

CVE-2026-58633: Desktop Window Manager Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 11 version 26H1
Weakness CWE-416
Published July 14, 2026
Last update July 24, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 24, 2026 Record updated