CVE-2026-25187
HIGH EPSS 86.4%
Published Mar 10, 20263mo ago · Modified May 26, 20261mo ago
7.8 CVSS 3.1
Published Mar 10, 2026 3mo ago
Last Modified May 26, 2026 1mo ago
Description
Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
86.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-59
Affected Products 25
| Vendor | Product | Version | Range |
|---|---|---|---|
| microsoft | windows_10_1607 | * | <10.0.14393.8957 |
| microsoft | windows_10_1607 | * | <10.0.14393.8957 |
| microsoft | windows_10_1809 | * | <10.0.17763.8511 |
| microsoft | windows_10_1809 | * | <10.0.17763.8511 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7058 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7058 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7058 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7058 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7058 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7058 |
| microsoft | windows_11_23h2 | * | <10.0.22631.6783 |
| microsoft | windows_11_23h2 | * | <10.0.22631.6783 |
| microsoft | windows_11_24h2 | * | <10.0.26100.7979 |
| microsoft | windows_11_24h2 | * | <10.0.26100.7979 |
| microsoft | windows_11_25h2 | * | <10.0.26200.7979 |
| microsoft | windows_11_25h2 | * | <10.0.26200.7979 |
| microsoft | windows_11_26h1 | * | <10.0.28000.1719 |
| microsoft | windows_11_26h1 | * | <10.0.28000.1719 |
| microsoft | windows_server_2012 | * | any |
| microsoft | windows_server_2012 | r2 | any |
| microsoft | windows_server_2016 | * | <10.0.14393.8957 |
| microsoft | windows_server_2019 | * | <10.0.17763.8511 |
| microsoft | windows_server_2022 | * | <10.0.20348.4830 |
| microsoft | windows_server_2022_23h2 | * | <10.0.25398.2207 |
| microsoft | windows_server_2025 | * | <10.0.26100.32463 |
References 3
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25187
- vicarius.io https://www.vicarius.io/vsociety/posts/cve-2026-25187-detection-script-winlogon-elevation-of-privilege-vulnerability
- vicarius.io https://www.vicarius.io/vsociety/posts/cve-2026-25187-mitigation-script-winlogon-elevation-of-privilege-vulnerability
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.