SafeBreach found an invisible, persistent, and dangerous Windows downgrade attack through the Windows update process, enabling control over all update contents without triggering integrity verifications.
The attack extends to affecting the Windows virtualization stack, compromising features like VBS, credential guard, secure kernel, and even the hypervisor, offering increased privileges and evasion of detection mechanisms.
#windows-downgrade-attack #windows-update-process #vulnerabilities #windows-security #detection-evasion
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