Cyber Posture

CVE-2025-21281

High

Published: 14 January 2025

Published
14 January 2025
Modified
27 January 2025
KEV Added
—
Patch
—
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 0.0028 51.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Microsoft COM for Windows Elevation of Privilege Vulnerability

Security Summary

CVE-2025-21281 is an elevation of privilege vulnerability in Microsoft COM for Windows, classified under CWE-416 (use-after-free) with an NVD-CWE-noinfo designation. Published on 2025-01-14, it 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), indicating high severity due to its potential for significant impact on affected systems.

The vulnerability can be exploited by a local attacker who already possesses low privileges on the target Windows system. Exploitation requires low complexity and no user interaction, allowing the attacker to elevate privileges and achieve high confidentiality, integrity, and availability impacts within the unchanged scope.

Microsoft's update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21281 provides details on available patches and recommended mitigations for addressing this vulnerability.

Details

CWE(s)
CWE-416NVD-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 2012
all versions, r2
microsoft
windows server 2016
≤ 10.0.14393.7699
+4 more product configuration(s) — see NVD for full list

References