CVE-2025-55698: Microsoft Windows 11 24h2

High severity, CVSS 7.7. EPSS: 1.2% chance of exploitation in the next 30 days.

Null pointer dereference in Windows DirectX allows an authorized attacker to deny service over a network.

Affected products

• Microsoft Windows 11 24h2: before 10.0.26100.6899 (fixed in 10.0.26100.6899)
• Microsoft Windows 11 25h2: before 10.0.26200.6899 (fixed in 10.0.26200.6899)
• Microsoft Windows Server 2025: up to and including 10.0.26100.6899

Published 2025-10-14. Last modified 2026-06-17.