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Microsoft Windows LUAFV NtSetCachedSigningLevel Device Guard Bypass

Microsoft Windows LUAFV NtSetCachedSigningLevel Device Guard Bypass
Posted Apr 16, 2019
Authored by James Forshaw, Google Security Research

On Microsoft Windows, the NtSetCachedSigningLevel system call can be tricked by the operation of LUAFV to apply a cached signature to an arbitrary file leading to a bypass of code signing enforcement under UMCI with Device Guard.

tags | exploit, arbitrary
systems | windows
advisories | CVE-2019-0732
SHA-256 | 5e11646fa10b0479415382c2a97eb9d01f2462f9f48431fe8f465de293d45f36
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