Denial of Service Vulnerability in Windows Security Account Manager by Microsoft
CVE-2025-21313

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Windows Server 2025 (server Core Installation)
Windows Server 2022, 23h2 Edition (server Core Installation)
Windows 11 Version 24h2
Windows Server 2025
Vendor
CVE Published:
14 January 2025

What is CVE-2025-21313?

The Windows Security Account Manager (SAM) is susceptible to a Denial of Service vulnerability that could allow attackers to disrupt the normal operation of affected systems. By exploiting this flaw, an unauthorized user might be able to cause a system to become unresponsive, potentially leading to interruptions in service and a negative impact on overall system performance. It is crucial for users and administrators to apply security updates provided by Microsoft to mitigate this risk.

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Affected Version(s)

Windows 11 Version 24H2 ARM64-based Systems 10.0.26100.0 < 10.0.26100.2894

Windows Server 2022, 23H2 Edition (Server Core installation) x64-based Systems 10.0.25398.0 < 10.0.25398.1369

Windows Server 2025 (Server Core installation) x64-based Systems 10.0.26100.0 < 10.0.26100.2894

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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