CVE-2025-21311
Critical
Description
Windows NTLM V1 Elevation of Privilege Vulnerability
SeverityCritical
CVSS9.8
Exploit probability83. percentile2.3%
Product
Microsoft Windows
PublishedJan 14, 2025
First seenJan 14, 2025
Weakness typeCWE-303CWE-303
How to fix
Update
- microsoft windows_11_24h210.0.26100.2894 or later
- microsoft windows_server_2022_23h210.0.25398.1369 or later
- microsoft windows_server_202510.0.26100.2894 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_24h2 | v < 10.0.26100.2894 | 10.0.26100.2894 |
| microsoft windows_server_2022_23h2 | v < 10.0.25398.1369 | 10.0.25398.1369 |
| microsoft windows_server_2025 | v < 10.0.26100.2894 | 10.0.26100.2894 |
Check your version
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