Windows Patch Tuesday Digest
2026-08-11 — 1 bulletin.
August 2026 Security Updates
| KB | Product | Channel | Supersedes | Verdict |
|---|---|---|---|---|
| 5120418 | Windows 10 Version 1607 for 32-bit Systems | b_release | 5082198 | deploy now |
| 5120418 | Windows 10 Version 1607 for x64-based Systems | b_release | 5082198 | deploy now |
| 5120238 | Windows 10 Version 1809 for 32-bit Systems | b_release | 5082123 | deploy now |
| 5120238 | Windows 10 Version 1809 for x64-based Systems | b_release | 5082123 | deploy now |
| 5120249 | Windows 10 Version 21H2 for 32-bit Systems | b_release | 5087544 | deploy now |
| 5120249 | Windows 10 Version 21H2 for ARM64-based Systems | b_release | 5087544 | deploy now |
| 5120249 | Windows 10 Version 21H2 for x64-based Systems | b_release | 5087544 | deploy now |
| 5120249 | Windows 10 Version 22H2 for 32-bit Systems | b_release | 5087544 | deploy now |
| 5120249 | Windows 10 Version 22H2 for ARM64-based Systems | b_release | 5087544 | deploy now |
| 5120249 | Windows 10 Version 22H2 for x64-based Systems | b_release | 5087544 | deploy now |
| 5120240 | Windows 11 Version 23H2 for ARM64-based Systems | b_release | 5099414 | deploy now |
| 5122880 | Windows 11 Version 23H2 for ARM64-based Systems | b_release | 5120240 | deploy now |
| 5120240 | Windows 11 Version 23H2 for x64-based Systems | b_release | 5099414 | deploy now |
| 5122880 | Windows 11 Version 23H2 for x64-based Systems | b_release | 5120240 | deploy now |
| 5120994 | Windows 11 Version 24H2 for ARM64-based Systems | b_release | First release | deploy now |
| 5121003 | Windows 11 Version 24H2 for ARM64-based Systems | b_release | 5101650 | deploy now |
| 5123273 | Windows 11 Version 24H2 for ARM64-based Systems | b_release | First release | deploy now |
| 5123607 | Windows 11 Version 24H2 for ARM64-based Systems | b_release | First release | deploy now |
| 5120994 | Windows 11 Version 24H2 for x64-based Systems | b_release | First release | deploy now |
| 5121003 | Windows 11 Version 24H2 for x64-based Systems | b_release | 5101650 | deploy now |
| 5123273 | Windows 11 Version 24H2 for x64-based Systems | b_release | First release | deploy now |
| 5123607 | Windows 11 Version 24H2 for x64-based Systems | b_release | First release | deploy now |
| 5120994 | Windows 11 Version 25H2 for ARM64-based Systems | b_release | First release | deploy now |
| 5121003 | Windows 11 Version 25H2 for ARM64-based Systems | b_release | 5101650 | deploy now |
| 5123273 | Windows 11 Version 25H2 for ARM64-based Systems | b_release | First release | deploy now |
| 5123607 | Windows 11 Version 25H2 for ARM64-based Systems | b_release | First release | deploy now |
| 5120994 | Windows 11 Version 25H2 for x64-based Systems | b_release | First release | deploy now |
| 5121003 | Windows 11 Version 25H2 for x64-based Systems | b_release | 5101650 | deploy now |
| 5123273 | Windows 11 Version 25H2 for x64-based Systems | b_release | First release | deploy now |
| 5123607 | Windows 11 Version 25H2 for x64-based Systems | b_release | First release | deploy now |
| 5121000 | Windows 11 Version 26H1 for ARM64-based Systems | b_release | 5101649 | deploy now |
| 5121000 | Windows 11 version 26H1 for x64-based Systems | b_release | 5101649 | deploy now |
| 5120386 | Windows Server 2012 | b_release | 5099445 | deploy now |
| 5120385 | Windows Server 2012 R2 | b_release | 5099444 | deploy now |
| 5120418 | Windows Server 2016 | b_release | 5082198 | deploy now |
| 5120238 | Windows Server 2019 | b_release | 5082123 | deploy now |
| 5120229 | Windows Server 2022 | b_release | First release | deploy now |
| 5120242 | Windows Server 2022 | b_release | 5082142 | deploy now |
| 5123303 | Windows Server 2022 | b_release | First release | deploy now |
| 5120228 | Windows Server 2025 | b_release | First release | deploy now |
| 5120233 | Windows Server 2025 | b_release | 5099536 | deploy now |