High severity7.8NVD Advisory· Published Mar 10, 2026· Updated May 26, 2026
CVE-2026-25187
CVE-2026-25187
Description
Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2110.0.14393.0+ 2 more
- (no CPE)range: 10.0.14393.0
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- Range: 10.0.17763.0
- Microsoft/Windows 11 version 22H3v5Range: 10.0.22631.0
- Range: 10.0.22631.0
- Range: 10.0.26100.0
- Range: 10.0.26200.0
- Range: 10.0.28000.0
6.2.9200.0+ 1 more
- (no CPE)range: 6.2.9200.0
- (no CPE)range: 6.3.9600.0
- Microsoft/Windows Server 2012 R2 (Server Core installation)v5Range: 6.3.9600.0
- Microsoft/Windows Server 2012 (Server Core installation)v5Range: 6.2.9200.0
- Range: 10.0.14393.0
- Microsoft/Windows Server 2016 (Server Core installation)v5Range: 10.0.14393.0
- Range: 10.0.17763.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Range: 10.0.26100.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
Patches
Vulnerability mechanics
References
3- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25187nvdVendor Advisory
- www.vicarius.io/vsociety/posts/cve-2026-25187-detection-script-winlogon-elevation-of-privilege-vulnerabilitynvd
- www.vicarius.io/vsociety/posts/cve-2026-25187-mitigation-script-winlogon-elevation-of-privilege-vulnerabilitynvd
News mentions
1- Microsoft Patch Tuesday, March 2026 EditionKrebs on Security · Mar 11, 2026