Cyber Posture

CVE-2025-21373

High

Published: 11 February 2025

Published
11 February 2025
Modified
26 February 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 0.0016 36.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Installer Elevation of Privilege Vulnerability

Security Summary

CVE-2025-21373 is a Windows Installer Elevation of Privilege Vulnerability affecting the Windows Installer component in Microsoft Windows operating systems. Published on 2025-02-11, it carries a CVSS v3.1 base score of 7.8 (High), with the vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is associated with CWE-59 (Improper Link Resolution Before File Access) and NVD-CWE-noinfo.

A local attacker with low privileges can exploit this vulnerability through low-complexity attacks requiring no user interaction. Successful exploitation enables elevation of privileges, resulting in high impacts on confidentiality, integrity, and availability.

The Microsoft Security Response Center (MSRC) provides details on this vulnerability, including patch information and mitigation guidance, in their update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21373.

Details

CWE(s)
CWE-59NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1507
≤ 10.0.10240.20915 · ≤ 10.0.10240.20915
microsoft
windows 10 1607
≤ 10.0.14393.7785 · ≤ 10.0.14393.7785
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 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+5 more product configuration(s) — see NVD for full list

References