https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5051987-and-kb5051989-cumulative-updates-released/

Microsoft has released Windows 11 KB5051987 and KB5051989 cumulative updates for versions 24H2 and 23H2 to fix security vulnerabilities and issues.

Both KB5051987 and KB5051989 are mandatory cumulative updates as they contain the February 2025 Patch Tuesday security updates for vulnerabilities discovered in previous months.