SB20260415144 - Security feature bypass in Microsoft Windows BitLocker
Published: April 15, 2026
Security Bulletin ID
SB20260415144
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2026-27913)
The vulnerability allows a local attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input in Windows BitLocker. A local attacker can bypass Secure Boot.
Remediation
Install update from vendor's website.