Cyber Posture

CVE-2025-21287

High

Published: 14 January 2025

Published
14 January 2025
Modified
24 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 0.0022 44.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Installer Elevation of Privilege Vulnerability

Security Summary

CVE-2025-21287 is a Windows Installer Elevation of Privilege Vulnerability affecting Microsoft Windows systems. Published on January 14, 2025, 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) and is associated with CWE-269 (Improper Privilege Management) along with NVD-CWE-noinfo.

A local attacker with low privileges can exploit this vulnerability due to its low attack complexity and lack of required user interaction. Successful exploitation allows the attacker to achieve high impacts on confidentiality, integrity, and availability, enabling privilege escalation on the affected system.

The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21287 provides guidance on mitigation and patching for this vulnerability.

Details

CWE(s)
CWE-269NVD-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 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+5 more product configuration(s) — see NVD for full list

References