CVE-2026-50661: Windows BitLocker Security Feature Bypass Vulnerability

Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CSIRTS triage

What: A failure in the protection mechanism of Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Who is affected: Users of Windows BitLocker are affected.
Urgency: Remediation is medium due to the potential for physical attacks but not remotely exploitable.
Action: Review and enhance physical security measures for devices using BitLocker.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-506610.72% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-50661	coverage & exploitation status	NVD · CVE.org

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