What is CVE-2026-69744?

CVE-2026-69744 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Kerberos Denial of Service Vulnerability

Which CVE IDs does CVE-2026-69744 cover?

CVE-2026-69744 covers the following CVE IDs: CVE-2026-69744. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-69744?

CVE-2026-69744 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-69744?

CVE-2026-69744 affects 6 products, including: Windows 11 Version 24H2 for ARM64-based Systems; Windows 11 Version 24H2 for x64-based Systems; Windows 11 Version 25H2 for ARM64-based Systems; Windows 11 Version 25H2 for x64-based Systems; Windows Server 2025; and others — see the full list on the advisory page.

CVE-2026-69744HighCVSS 7.5

Windows Kerberos Denial of Service Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-69744 →

📋 Description

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

🎯 Affected products6

Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems
Windows Server 2025
Windows Server 2025 (Server Core installation)

✅ Remediation

KB5122871 (Security Update) — fixed build 10.0.26100.33438 KB5124008 (Security Update) — fixed build 10.0.26200.9445 KB5124008 (Security Update) — fixed build 10.0.26100.9445

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69744
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5122871
referencehttps://support.microsoft.com/help/5122871
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5124008
referencehttps://support.microsoft.com/help/5124008