| KB | Platform | OS Build | Severity | Update Type | Release Date

| – | — | – | — | – | |
| KB5066189 | Windows 11 23H2/22H2 | 22621.5771 | Critical | Out-of-Band | 2025-08-19 |
| KB5066188 | Windows 10 22H2 | 19044.6218 | Critical | Out-of-Band | 2025-08-19 |
| KB5066187 | Windows 10 LTSC 2019 | 17763.7683 | Critical | Out-of-Band | 2025-08-19 |
| KB5066014 | Windows Server (All) | Multiple | High | RPC Hardening | 2025-08-13 |