Microsoft Warns: Windows Zero-Day ‘YellowKey’ Can Bypass BitLocker

Microsoft has released a temporary mitigation for YellowKey, a Windows zero-day that can reportedly bypass BitLocker protections.
JD Supra

YellowKey Zero-Day and the BitLocker Bypass: Compliance and Incident Response Implications

A publicly disclosed and widely unpatched zero-day vulnerability, named YellowKey, permits anyone with physical access to a device running Windows ...

Zero-day exploit completely defeats default Windows 11 BitLocker protections

A zero-day exploit circulating online allows people with physical access to a Windows 11 system to bypass default BitLocker ...
Morning Overview on MSN

A newly found Windows flaw called 'YellowKey' lets attackers unlock BitLocker-encrypted drives — and Microsoft just rushed out an emergency fix

Microsoft broke from its regular monthly patch schedule in late May 2026 to push an emergency fix for a vulnerability that ...
Morning Overview on MSN

Microsoft just rushed out a fix for 'YellowKey' — a Windows flaw that lets attackers pop open BitLocker-encrypted drives and read what's inside

Microsoft has confirmed a vulnerability in Windows Recovery Environment that can let an attacker with physical access bypass BitLocker encryption and read the contents of a protected drive. The flaw, ...
GIGAZINE

A vulnerability has been discovered that allows access to Microsoft BitLocker-protected drives using only files on a USB drive, without the recovery key.

A zero-day vulnerability called ' YellowKey,' which could potentially bypass Microsoft's BitLocker-encrypted drives, has been disclosed by security researcher Nightmare-Eclipse. Alongside this, ...