High MSRC-CVE-2026-50424 1 CVE

Windows Domain Controller Denial of Service Vulnerability

Published Jul 14, 2026 · Updated Jul 14, 2026

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.26100.33158 — https://support.microsoft.com/help/5099536
10.0.26200.8875 — https://support.microsoft.com/help/5101650
10.0.28000.2525 — https://support.microsoft.com/help/5101649

Vulnerabilities 1

High 7.5

CVE-2026-50424

Windows Domain Controller Denial of Service Vulnerability

Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny service over a network.

Microsoft Windows Server 2025 Windows Server 2025 (Server Core installation) Windows 11 Version 24H2 Windows

Jul 14, 2026

Revision history

2026-07-14 #1
Information published.

References

CVE-2026-50424 Windows Domain Controller Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50424
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss