Cyber Posture

CVE-2025-21367

High

Published: 11 February 2025

Published
11 February 2025
Modified
28 February 2025
KEV Added
—
Patch
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CVSS Score 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0014 34.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

Security Summary

CVE-2025-21367 is a Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability, published on 2025-02-11T18:15:34.943. It affects the Windows Win32 Kernel Subsystem and carries a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). The vulnerability is associated with CWE-416 and NVD-CWE-noinfo.

A local attacker with low privileges (PR:L) can exploit this vulnerability with low attack complexity (AC:L) and no user interaction (UI:N) required. Successful exploitation enables elevation of privileges, resulting in high impacts on confidentiality (C:H), integrity (I:H), and availability (A:H).

Microsoft's advisory provides details on mitigations and patches at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21367.

Details

CWE(s)
CWE-416NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1809
≤ 10.0.17763.6893 · ≤ 10.0.17763.6893
microsoft
windows 10 21h2
≤ 10.0.19044.5487
microsoft
windows 10 22h2
≤ 10.0.19045.5487
microsoft
windows 11 22h2
≤ 10.0.22621.4890
microsoft
windows 11 23h2
≤ 10.0.22631.4890
microsoft
windows 11 24h2
≤ 10.0.26100.3194
microsoft
windows server 2019
≤ 10.0.17763.6893
microsoft
windows server 2022
≤ 10.0.20348.3207
microsoft
windows server 2022 23h2
≤ 10.0.25398.1425
microsoft
windows server 2025
≤ 10.0.26100.3194

References