Shared from twixb · schneier.com

Zero-Day Exploit Against Windows BitLocker

schneier.com·May 18, 2026

A researcher named Nightmare-Eclipse has published an exploit called YellowKey that can bypass the default BitLocker encryption on Windows 11, but it requires physical access to the computer. This vulnerability poses a significant risk, especially for organizations that rely on BitLocker for data protection.

The YellowKey exploit poses a significant threat by bypassing BitLocker protections on Windows 11 machines, highlighting a critical vulnerability in systems that rely on trusted platform modules (TPMs) for encryption. For cybersecurity professionals, especially those managing enterprise environments, this underscores the importance of assessing the physical security of devices and considering additional layers of protection beyond default encryption settings, even for systems believed to be secure.

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