CVE-2026-27913
High
Description
Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Microsoft Windows Server
PublishedApr 14, 2026
First seenApr 14, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- microsoft windows_server_201610.0.14393.9060 or later
- microsoft windows_server_201910.0.17763.8644 or later
- microsoft windows_server_202210.0.20348.5020 or later
- microsoft windows_server_2022_23h210.0.25398.2274 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.9060 | 10.0.14393.9060 |
| microsoft windows_server_2019 | v < 10.0.17763.8644 | 10.0.17763.8644 |
| microsoft windows_server_2022 | v < 10.0.20348.5020 | 10.0.20348.5020 |
| microsoft windows_server_2022_23h2 | v < 10.0.25398.2274 | 10.0.25398.2274 |
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