Microsoft Windows 10 - 'RestrictedErrorInfo' Unmarshal Section Handle Use-After-Free

Windows: RestrictedErrorInfo Unmarshal Section Handle UAF EoP Platform: Windows 10 1709/1809 Class: Elevation of Privilege Security Boundary per Windows Security Service Criteria: User boundary Summary: The WinRT RestrictedErrorInfo doesn’t correctly check the validity of a handle to a section...