CVE-2026-69775: Microsoft Windows 11 23h2

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges over a network.

Affected products

• Microsoft Windows 11 23h2: before 10.0.22631.7582 (fixed in 10.0.22631.7582)
• Microsoft Windows Server 2025: before 10.0.26100.33438 (fixed in 10.0.26100.33438)

Published 2026-09-08. Last modified 2026-09-22.