May 9, 2023, 7 a.m. |

Microsoft Security Response Center msrc-blog.microsoft.com

Summary Summary Today, Microsoft is releasing CVE-2023-24932, and associated configuration guidance, to address a Secure Boot bypass vulnerability used by the BlackLotus bootkit to exploit CVE-2022-21894. Customers will need to closely follow the configuration guidance to fully protect against this vulnerability.
This vulnerability allows an attacker to execute self-signed code at the Unified Extensible Firmware Interface (UEFI) level while Secure Boot is enabled.

address blacklotus boot bootkit bypass code configuration customers cve cve-2022-21894 cve-2023-24932 exploit guidance manager microsoft protect secure boot vulnerability

More from msrc-blog.microsoft.com / Microsoft Security Response Center

CyberSOC Technical Lead

@ Integrity360 | Sandyford, Dublin, Ireland

Cyber Security Strategy Consultant

@ Capco | New York City

Cyber Security Senior Consultant

@ Capco | Chicago, IL

Sr. Product Manager

@ MixMode | Remote, US

Corporate Intern - Information Security (Year Round)

@ Associated Bank | US WI Remote

Senior Offensive Security Engineer

@ CoStar Group | US-DC Washington, DC