Cyber Posture

CVE-2025-21299

High

Published: 14 January 2025

Published
14 January 2025
Modified
24 January 2025
KEV Added
—
Patch
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CVSS Score 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0064 70.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Kerberos Security Feature Bypass Vulnerability

Security Summary

CVE-2025-21299 is a Windows Kerberos Security Feature Bypass Vulnerability affecting the Kerberos authentication component in Microsoft Windows operating systems. Published on 2025-01-14, it carries a CVSS v3.1 base score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) and is associated with CWE-922 (Omission of Security-relevant Information) and NVD-CWE-noinfo.

A local attacker with low privileges can exploit this vulnerability through low-complexity means without user interaction. Exploitation enables high-impact confidentiality and integrity violations, allowing bypass of Kerberos security features while maintaining unchanged scope and no availability disruption.

Microsoft's Security Response Center provides an update guide with vulnerability details and mitigation recommendations at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21299.

Details

CWE(s)
CWE-922NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1507
≤ 10.0.10240.20890 · ≤ 10.0.10240.20890
microsoft
windows 10 1607
≤ 10.0.14393.7699 · ≤ 10.0.14393.7699
microsoft
windows 10 1809
≤ 10.0.17763.6775 · ≤ 10.0.17763.6775
microsoft
windows 10 21h2
≤ 10.0.19044.5371
microsoft
windows 10 22h2
≤ 10.0.19045.5371
microsoft
windows 11 22h2
≤ 10.0.22621.4751
microsoft
windows 11 23h2
≤ 10.0.22631.4751
microsoft
windows 11 24h2
≤ 10.0.26100.2894
microsoft
windows server 2016
≤ 10.0.14393.7699
microsoft
windows server 2019
≤ 10.0.17763.6775
+3 more product configuration(s) — see NVD for full list

References