MS.Windows.DeviceGuard.Security.Feature.Bypass

Description

This indicates an attack attempt to exploit a Security Bypass vulnerability in Microsoft Windows.
The vulnerability is due to an error when the vulnerable software attempts to handles unsigned files. An attacker can exploit this to bypass the signing level verification.

Affected Products

Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows Server 2016
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2016 (Server Core installation)
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 1709 for x64-based Systems
Windows Server, version 1709 (Server Core Installation)
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for x64-based Systems
Windows Server, version 1803 (Server Core Installation)

Impact

Security Bypass: Remote attackers can bypass security mechanism on vulnerable systems

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8449

References