Microsoft has pushed the September 2025 cumulative for Windows 11 version 23H2 — KB5065431 (OS build 22631.5909) — and the update is available both through Windows Update and as an offline .msu installer from the Microsoft Update Catalog. This release is a targeted quality-and-security rollup...
23h2
24h2 upgrade
deployment guidance
end of updates
enterprise and education
home and pro
kb5065431
ndi streaming
offline install
sccmintunewsus
september 2025
smb compatibility audit
smb hardening
ssu and lcu
uac prompts
update catalog
windows 11
windows installer
windows update
