Microsoft Discloses Windows BitLocker 0-Day Vulnerability CVE-2026-50507 Allowing Physical Access Bypass
By
Abinaya
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Summary
Microsoft disclosed a Windows BitLocker Security Feature Bypass vulnerability (CVE-2026-50507) on June 9, 2026, as part of its June Patch Tuesday release. The flaw (CWE-306) allows an attacker with physical access to bypass BitLocker Device Encryption and access sensitive data on the storage device. The vulnerability carries a CVSS v3.1 base score, indicating a protection mechanism failure in the encryption feature.
Key quotes
· 3 pulledMicrosoft disclosed a new Windows BitLocker Security Feature Bypass vulnerability, tracked as CVE-2026-50507, on June 9, 2026, as part of its June Patch Tuesday security release.
The flaw, rooted in a protection mechanism failure, allows an unauthorized attacker with physical access to bypass BitLocker Device Encryption and access sensitive data on the system's storage device
The weakness maps to CWE-306 (Missing Authentication for Critical Function), indicating that a critical BitLocker function can be triggered without proper authentication checks.
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