CVE-2026-69744: Microsoft Windows 11 24h2

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.

Affected products

• Microsoft Windows 11 24h2: before 10.0.26100.9445 (fixed in 10.0.26100.9445)
• Microsoft Windows 11 25h2: before 10.0.26200.9445 (fixed in 10.0.26200.9445)
• Microsoft Windows Server 2025: before 10.0.26100.33438 (fixed in 10.0.26100.33438)

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