CVE-2026-50507
MediumCVSS 6.8Exploitation Probability (EPSS)
Very high risk91th percentile - higher than 91% of all known CVEs
Summary
Missing authentication for a critical function in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Risk Assessment
The organization is at risk of physical bypass of BitLocker disk encryption, potentially leading to unauthorized access to data on devices.
Recommendation
Apply the available patch from Microsoft and consider additional physical security measures such as port locks or hardware encryption.
Other vulnerabilities in Windows BitLocker
See all- CVE-2026-96909Critical
A heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network. The vulnerability stems from improper memory handling during data processing.
- CVE-2026-88070High
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges locally.
- CVE-2026-85920High
Time-of-check time-of-use (TOCTOU) race condition in Windows BitLocker allows an authorized attacker to elevate privileges locally.
- CVE-2026-83634High
Double free in Windows BitLocker allows an authorized attacker to elevate privileges locally.
- CVE-2026-83500Medium
URL redirection to untrusted site ('open redirect') in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2026-69458High
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a network.
- CVE-2026-69449Medium
A heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.
- CVE-2026-50661Medium
A protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2026-45658High
Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feature locally.
- CVE-2026-45655Medium
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Original NVD description (English source)
Missing authentication for critical function in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS