# Windows 10 Version 21H1 for 32-bit Systems security updates

Patch Radar has 21 security fixes for Windows 10 Version 21H1 for 32-bit Systems, closing 760 CVEs, 42 of which are being exploited. The newest security fix is KB5022282, released January 10, 2023. This product is no longer supported.

- Web page: https://patchblox.com/security/product/microsoft/windows-10-version-21h1-for-32-bit-systems
- Platform: Microsoft
- Vendor: Microsoft
- Supported: no

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [KB5022282](https://patchblox.com/security/data/fix/microsoft/kb5022282.md) | Jan 10, 2023 |  | Patch now | 66 | 1 |
| [KB5021233](https://patchblox.com/security/data/fix/microsoft/kb5021233.md) | Dec 13, 2022 |  | Patch now | 26 | 1 |
| [KB5019959](https://patchblox.com/security/data/fix/microsoft/kb5019959.md) | Nov 8, 2022 |  | Patch now | 39 | 6 |
| [KB5018410](https://patchblox.com/security/data/fix/microsoft/kb5018410.md) | Oct 11, 2022 |  | Patch now | 63 | 2 |
| [KB5017308](https://patchblox.com/security/data/fix/microsoft/kb5017308.md) | Sep 13, 2022 |  | Patch now | 38 | 1 |
| [KB5012170](https://patchblox.com/security/data/fix/microsoft/kb5012170.md) | Aug 9, 2022 |  | Urgent | 4 | 0 |
| [KB5016616](https://patchblox.com/security/data/fix/microsoft/kb5016616.md) | Aug 9, 2022 |  | Patch now | 62 | 1 |
| [KB5015807](https://patchblox.com/security/data/fix/microsoft/kb5015807.md) | Jul 12, 2022 |  | Patch now | 48 | 1 |
| [KB5014699](https://patchblox.com/security/data/fix/microsoft/kb5014699.md) | Jun 14, 2022 |  | Patch now | 32 | 1 |
| [KB5013942](https://patchblox.com/security/data/fix/microsoft/kb5013942.md) | May 10, 2022 |  | Patch now | 60 | 2 |
| [KB5012599](https://patchblox.com/security/data/fix/microsoft/kb5012599.md) | Apr 12, 2022 |  | Patch now | 96 | 2 |
| [KB5011487](https://patchblox.com/security/data/fix/microsoft/kb5011487.md) | Mar 8, 2022 |  | Urgent | 31 | 0 |
| [KB5010342](https://patchblox.com/security/data/fix/microsoft/kb5010342.md) | Feb 8, 2022 |  | Patch now | 21 | 3 |
| [KB5009543](https://patchblox.com/security/data/fix/microsoft/kb5009543.md) | Jan 11, 2022 |  | Patch now | 80 | 2 |
| [KB5008212](https://patchblox.com/security/data/fix/microsoft/kb5008212.md) | Dec 14, 2021 |  | Patch now | 32 | 2 |
| [KB5007186](https://patchblox.com/security/data/fix/microsoft/kb5007186.md) | Nov 9, 2021 |  | Patch now | 29 | 3 |
| [KB5006670](https://patchblox.com/security/data/fix/microsoft/kb5006670.md) | Oct 12, 2021 |  | Patch now | 46 | 3 |
| [KB5005565](https://patchblox.com/security/data/fix/microsoft/kb5005565.md) | Sep 14, 2021 |  | Patch now | 34 | 2 |
| [KB5005033](https://patchblox.com/security/data/fix/microsoft/kb5005033.md) | Aug 10, 2021 |  | Patch now | 27 | 5 |
| [KB5004237](https://patchblox.com/security/data/fix/microsoft/kb5004237.md) | Jul 13, 2021 |  | Patch now | 82 | 3 |
| [KB5003637](https://patchblox.com/security/data/fix/microsoft/kb5003637.md) | Jun 8, 2021 |  | Patch now | 24 | 7 |

---

Data as of 2026-11-12T07:53:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.