CVE-2026-45585 Windows BitLocker Security Feature Bypass Vulnerability

This post has been republished via RSS; it originally appeared at: MSRC Security Update Guide.

Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as "YellowKey". The proof of concept for this vulnerability has been made public violating coordinated vulnerability best practices. We are issuing this CVE to provide mitigation guidance that can be implemented to protect against this vulnerability until the security update is made available.