Microsoft released an out‑of‑band update on August 19, 2025 — KB5066189 for Windows 11 (OS Builds 22621.5771 and 22631.5771) — to fix a high‑impact regression introduced earlier in the August security rollup that broke Reset and cloud recovery flows, while reiterating a separate, platform‑level...
Fixes an issue in which the private key permissions on a machine certificate are reset to the default values on a computer that is running Windows 7 or Windows Server 2008 R2. This issue occurs after the machine certificate is renewed by the Certificate...
More...