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 ...

Microsoft Exchange hacked, Defender broken, BitLocker bypassed

While there weren’t any genuine zero-day vulnerabilities to patch in May’s Patch Tuesday update, the fallout since then has ...
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 ...
TechSpot

A security researcher says Microsoft secretly built a backdoor into BitLocker, releases an exploit to prove it

The Epitome of WTF: A researcher known as "Nightmare-Eclipse" recently released YellowKey, a security vulnerability that allegedly enables a full bypass of BitLocker's full-volume encryption. The ...
TechSpot

Old BitLocker vulnerability exploited to bypass encryption on updated Windows 11

Facepalm: BitLocker is a full volume encryption feature introduced by Microsoft with Windows Vista. The technology can apparently keep users' data safe thanks to AES and other advanced encryption ...
Bleeping Computer

Microsoft shares script to fix WinRE BitLocker bypass flaw

Microsoft has released a script to make it easier to patch a BitLocker bypass security vulnerability in the Windows Recovery Environment (WinRE). This PowerShell script (KB5025175) simplifies the ...