Secure Boot Security Feature Bypass Vulnerability

<p>A security feature bypass vulnerability exists when Windows Secure Boot improperly applies an affected policy. An attacker who successfully exploited this vulnerability could disable code integrity checks, allowing test-signed executables and drivers to be loaded on a target device. In addition, an attacker could bypass the Secure Boot Integrity Validation for BitLocker and the Device Encryption security features.</p> <p>To exploit the vulnerability, an attacker must either gain administrative privileges or physical access to a target device to install an affected policy.</p> <p>The security update addresses the vulnerability by blacklisting affected policies.</p>

Where it's fixed