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YellowKey Tool Bypasses Windows 11 BitLocker Using Only a USB Stick

… In addition to YellowKey, Nightmare-Eclipse has also disclosed GreenPlasma , a severe elevation of privilege vulnerability that allows attackers to gain full system-level control. …

May 14, 2026 · Chris Harper

hothardware.com › news

Microsoft Mitigates Dangerous YellowKey Tool That Breaks BitLocker

… YellowKey exposed a glaring security hole in the Windows Recovery Environment WinRE that can be used to bypass BitLocker entirely, and both exploits remain unpatched. Microsoft, however, has found a way to somewhat mitigate YellowKey, but it may require some manual tweaking from BitLocker users. …

May 21, 2026 · Chris Harper