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CVE-2026-27913

HIGH CVSS 3.1: 7.7
Updated Apr 17, 2026
Parameter Value
CVSS 7.7 (HIGH)
Type CWE-20 (Improper Input Validation)
Public PoC No

Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1