YellowKey Bypasses BitLocker, Microsoft Has No Patch

YellowKey can bypass BitLocker with physical access, and Microsoft has mitigations—but no full patch yet.

Key takeaways

• What does BitLocker still protect if a public YellowKey proof of concept can push Windows Recovery Environment into exposing an encrypted drive before Micr...
• Microsoft has published mitigation guidance for YellowKey, now tracked as CVE-2026-45585, but there is still no full security update, according to Notebookchec...
• > YellowKey is a physical-access BitLocker bypass. The attacker does not need credentials, malware, a network connection, or software installation.
• This is not a reason to abandon BitLocker. It is a reason to stop treating disk encryption as a single switch. In this case, the weak point is the recovery path: **Win...

👉 Read the full breakdown on MLXIO

Canonical source: https://mlxio.com/cybersecurity/yellowkey-bitlocker-bypass