What’s Vulnerable › Vulnerabilities
CVE-2026-69744: Windows Kerberos Denial of Service Vulnerability
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-08 · updated 2026-10-30
- Weakness: CWE-476
Description
Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.
Affected products
- Microsoft Windows 11: 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
- Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.9445 — fixed in 10.0.26100.9445
- Microsoft Windows 11 25H2: from 10.0.26200.0 before 10.0.26200.9445 — fixed in 10.0.26200.9445
- Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.33438 — fixed in 10.0.26100.33438
How to fix
Upgrade to a fixed version: Microsoft Windows 11 10.0.26100.9445; Microsoft Windows 11 25H2 10.0.26200.9445; Microsoft Windows Server 2025 10.0.26100.33438; Microsoft Windows 11 10.0.26100.9445; Microsoft Windows 11 25H2 10.0.26200.9445; Microsoft Windows Server 2025 10.0.26100.33438. Check the vendor advisory for mitigations.
References
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