Microsoft’s Exchange team published a short but important Hotfix Update (HU) rollup for September 2025 that is aimed at fixing a non‑security issue in earlier updates and, crucially, preserves support for the dedicated Exchange hybrid application workflow introduced earlier in 2025 — the update...
august 2025
cisa
cu14
cu15
cve-2025-53786
entra id
ews
exchange hybrid
exchange server
exchange server 2016 cu23
graph permissions
health check
hotfix update
hybrid apps
hybrid configuration wizard
se rtm
service principal
windows update
