Microsoft pushes out PowerShell scripts to fix BitLocker bypass
), which should be run with administrator credentials in PowerShell, the company writes. The more robust version – PatchWinREScript_2004plus.ps1 – is for devices running Windows 10 2004 and later, including Windows 11. The other – PatchWinREScript_General.ps1 – is aimed at those with Windows 10 v1909 and earlier.
Microsoft released an advisory about the vulnerability in November 2022 and updated the notice in February. It's not easy for attackers to exploit the flaw, according to Microsoft. If the device is protected by the BitLocker TPM+PIN, the crooks would need to know the TPM PIN to get into the system. The TPM+PIN multi-factor authentication mode uses the device's TPM security hardware and a PIN to authenticate users. In this mode, users must enter the PIN in the Windows pre-boot environment whenever the computer starts.
"The TPM is a hardware component installed in many newer computers by the computer manufacturers," Microsoft writes in a in February."It works with BitLocker to help protect user data and to ensure that a computer hasn't been tampered with while the system was offline.""A successful attacker could bypass the BitLocker Device Encryption feature on the system storage device," the company writes."An attacker with physical access to the target could exploit this vulnerability to gain access to encrypted data.
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