High MSRC-CVE-2025-21313 1 CVE

Windows Security Account Manager (SAM) Denial of Service Vulnerability

Published Jan 14, 2025 · Updated Jan 14, 2025

Vendor: Microsoft

Summary

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

Details

How could an attacker exploit the vulnerability?
An authenticated attacker could make specially crafted API calls that lead to a Denial of Service.

Security updates
10.0.26100.2894 — https://support.microsoft.com/help/5050009
10.0.25398.1369 — https://support.microsoft.com/help/5049984

Vulnerabilities 1

Medium 6.5

CVE-2025-21313

Windows Security Account Manager (SAM) Denial of Service Vulnerability

Windows Security Account Manager (SAM) Denial of Service Vulnerability

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

Jan 14, 2025

Revision history

2025-01-14 #1
Information published.

References

CVE-2025-21313 Windows Security Account Manager (SAM) Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21313
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