Microsoft has published the August 12, 2025 cumulative security update for older Windows 11 branches — KB5063875, which updates OS Builds 22621.5768 and 22631.5768 — delivering a combined Latest Cumulative Update (LCU) and Servicing Stack Update (SSU) for devices still on Windows 11 versions...
22h2
23h2
certificate expiration
copilotreliability
deployment
end of servicing
firmware
intune
kb5063875
kek
lcu
microsoft update catalog
pilot testing
secure boot
security update
ssu
windows 11
windows update
wsus
