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 ...
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 ...
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.
The FPS Review on MSN

Windows 11 April Update KB508769 Is Triggering Bitlocker Recovery Screens and Boot Loops

Every Patch Tuesday, there’s a moment where you hover over that “Install” button and wonder what you’re getting into. The April 2026 update for Windows 11, KB5083769, has given plenty of users good ...
WinBuzzer

Microsoft Fixes BitLocker Recovery Bug Only for Windows 11

Microsoft has fixed the Windows 11 BitLocker recovery bug in KB5089549, but Windows 10 and Windows Server admins still need ...
The Hacker News

Windows Zero-Days Expose BitLocker Bypasses And CTFMON Privilege Escalation

An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more ...