Microsoft Secure Boot Security Feature Bypass Vulnerability

<p>A security feature bypass vulnerability exists in secure boot. An attacker who successfully exploited the vulnerability can bypass secure boot and load untrusted software.</p> <p>To exploit the vulnerability, an attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by blocking vulnerable third-party bootloaders.</p> <p>For further information see <a href="https://support.microsoft.com/en-us/help/4535680">Security update for Secure Boot DBX: January 12, 2021</a>.</p>

Where it's fixed