CVE-2025-27740
High
Description
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Microsoft Windows Server
PublishedApr 8, 2025
First seenApr 8, 2025
Weakness typeCWE-1390CWE-1390
How to fix
Update
- microsoft windows_server_201610.0.14393.7969 or later
- microsoft windows_server_201910.0.17763.7136 or later
- microsoft windows_server_202210.0.20348.3453 or later
- microsoft windows_server_2022_23h210.0.25398.1551 or later
- microsoft windows_server_202510.0.26100.3775 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_server_2008 | No range specified, r2 | — |
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.7969 | 10.0.14393.7969 |
| microsoft windows_server_2019 | v < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft windows_server_2022 | v < 10.0.20348.3453 | 10.0.20348.3453 |
| microsoft windows_server_2022_23h2 | v < 10.0.25398.1551 | 10.0.25398.1551 |
| microsoft windows_server_2025 | v < 10.0.26100.3775 | 10.0.26100.3775 |
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