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Windows 11 Encryption Bug Can Cause 'Data Damage' for Latest CPUs

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Microsoft released patches for the bug, but they can result in a performance hit for certain AES-based encryption operations. It has since released two more fixes to correct that problem.
Microsoft is warning about a bug in Windows 11 that might lead to “data damage” for PCs running new CPUs that support the latest encryption protocols. 
Redmond has been vague on the details, including the severity, but the issue can affect storage encryption programs such as BitLocker.
According to Microsoft’s report, the bug can be triggered for Windows 11 devices running the latest Vector Advanced Encryption Standards instruction sets. Specifically, AES XEX-based tweaked-codebook mode with ciphertext stealing (AES-XTS) or AES with Galois/Counter Mode (GCM) (AES-GCM).

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