Microsoft Device Guard protection bypass - Lenovo Support US

Lenovo Security Advisory: LEN-8327

Potential Impact: Denial of service

**Severity:**Medium

**Scope of Impact:**Lenovo-specific

**CVE Identifier:**CVE-2016-8222

Summary Description:

A vulnerability has been identified in a signed kernel driver for the BIOS of some ThinkPad systems that can allow an attacker with Windows administrator-level privileges to call System Management Mode (SMM) services. This could lead to a denial of service attack or allow certain BIOS variables or settings to be altered (such as boot sequence). The setting or changing of BIOS passwords is not affected by this vulnerability.

This vulnerability could allow an attacker to bypass Microsoft Device Guard protections for systems running Windows 10.

Mitigation Strategy for Customers (what you should do to protect yourself):

Update affected systems to the latest BIOS version by following the instructions in the readme file.