this post was submitted on 13 May 2026
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Microsoft BitLocker-protected drives can now be opened with just some files on a USB stick — YellowKey zero-day exploit demonstrates an apparent backdoor (www.tomshardware.com)
submitted 4 hours ago by throws_lemy@lemmy.nz to c/technology@lemmy.world
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YellowKey reportedly works in Windows 11, Windows Server 2022 and 2025, but not in Windows 10.

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[–] homesweethomeMrL@lemmy.world 44 points 2 hours ago

YellowKey can be triggered simply by merely copying some files to a USB stick and rebooting to the Windows Recovery Environment. We tested this ourselves, and sure enough, not only does it work, it bears all the hallmarks of a backdoor, down to the exploit's files disappearing from the USB stick after it's used once.