Cyber Resilience

CVE-2025-21313

Medium

Published: 14 January 2025

Published
14 January 2025
Modified
05 February 2025
KEV Added
—
Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0094 76.7th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21313 is a medium-severity Deadlock (CWE-833) vulnerability in Microsoft Windows 11 24H2. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 23.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Windows Security Account Manager (SAM) Denial of Service Vulnerability

CWE(s)
CWE-833NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 11 24h2
≤ 10.0.26100.2894
microsoft
windows server 2022 23h2
≤ 10.0.25398.1369
microsoft
windows server 2025
≤ 10.0.26100.2894

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

PL-6 Security-related Activity Planning
addresses: CWE-833

Advance scheduling and deconfliction of security tasks lowers the chance that overlapping operations will produce deadlock conditions on shared resources.

References