#Bitlocker

The issue centers on a zero-day exploit called "YellowKey," published earlier this month by a security researcher known as Chaotic Eclipse, also known online as Nightmare-Eclipse.…

A researcher released two unpatched zero-day vulnerabilities, YellowKey and GreenPlasma, which allow attackers to bypass BitLocker encryption with physical access to the devices and escalate system privileges on Windows 11 and Server environments.

From Dev.to - security: NGINX Heap Overflow (CVE-2026-42945), BitLocker Zero-Day, & Chrome Extension Supply Chain Attack

From Ars Technica: Zero-day exploit completely defeats default Windows 11 BitLocker protections

According to the researcher, YellowKey appears unusual for a previously unknown security bug. Nightmare-Eclipse explained that the flaw can be reproduced by copying an attached "FsTx" folder...

A newly discovered BitLocker exploit, targeting Windows 11, allows attackers to gain unrestricted access to file systems and manipulate system service

From XDA Developers: A new Windows 11 BitLocker bypass only needs a USB stick, and the researcher thinks it's a backdoor

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