In September 2025, Microsoft released 86 security updates, including 9 critical and 72 important patches, along with 5 patches for non-Microsoft issues. For Windows 10 version 22H2, the update (KB5065429) fixes UAC prompts for non-admin users and resolves a WinSock issue. Windows 11 versions 22H2 and 23H2 received similar updates (KB5065431) addressing the same UAC prompt issue and WinSock resolution. Windows 11 version 24H2 (KB5065426) resolves an input issue causing application unresponsiveness, a bug with IIS modules, and an NDI audio issue. Installing KB5063878 may cause audio stuttering in OBS Studio. Security advisory ADV 253991 offers guidance on Entra ID application authorization validation. Windows 10 will reach its end of life on October 14, 2025.