How To Mitigate The Microsoft Windows BitLocker ‘Angry Hacker’ 0-Day

How To Mitigate The Microsoft Windows BitLocker ‘Angry Hacker’ 0-Day

By Davey Winder, Senior Contributor
Publication Date: 2026-05-20 14:16:00

As an angry hacker going by the moniker Chaotic Eclipse continues to release zero-day exploit code, Microsoft has now released mitigation advice for the YellowKey Windows BitLocker vulnerability that can bypass security features. Here’s what you need to know until a full security update is rolled out to users.


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How To Mitigate The YellowHammer Microsoft BitLocker Zero-Day Vulnerability

It has been quite the week for Microsoft users when it comes to zero-day threat mitigation advice. Hot on the heels of the Microsoft recommendation to check the Exchange Emergency Mitigation Service if you use Exchange Server, as CVE-2026-42897 is confirmed as already under attack, comes fresh mitigation advice for Windows BitLocker users after the public release of security bypass exploit code by a researcher with a grudge about the way Microsoft Security Response Center responded to their vulnerability reports. That…