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 ...
SecurityWeek

Microsoft Rolls Out Mitigations for ‘YellowKey’ BitLocker Bypass

Microsoft has announced mitigations for CVE-2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.

Two Unpatched Windows Exploits Target BitLocker, SYSTEM Access

Two unpatched Windows exploit PoCs target BitLocker protections and privilege controls after Microsoft’s May Patch Tuesday ...

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 ...
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 ...

Microsoft responds to Windows 11 encryption bypass vulnerability

Microsoft responds to Windows 11 encryption bypass vulnerability with new mitigation.
TweakTown

Security researcher finds zero-day exploit that defeats Windows 11 BitLocker, calls it an insane 'backdoor' discovery

Users who rely solely on TPM-based BitLocker are most at risk, while those with a PIN or USB security key at boot are ...