# KB5011525: March 2022 security update

KB5011525, released March 8, 2022, fixes 12 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5011525
- Platform: Microsoft
- Released: Mar 8, 2022
- Priority: Urgent (Closes CVE-2022-24502, exploitation more likely)
- CVEs: 12, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5011525

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-24502](https://patchblox.com/security/data/cve/CVE-2022-24502.md) | Urgent | Windows HTML Platform | 4.3 | 0.3306 | More likely |
| [CVE-2022-21990](https://patchblox.com/security/data/cve/CVE-2022-21990.md) | Urgent | Windows Remote Desktop | 8.8 | 0.1884 | Disclosed |
| [CVE-2022-23299](https://patchblox.com/security/data/cve/CVE-2022-23299.md) | Urgent | Windows PDEV | 7.8 | 0.0762 | More likely |
| [CVE-2022-23293](https://patchblox.com/security/data/cve/CVE-2022-23293.md) | High | Windows Fast FAT Driver | 7.8 | 0.0067 |  |
| [CVE-2022-23296](https://patchblox.com/security/data/cve/CVE-2022-23296.md) | High | Windows Installer | 7.8 | 0.0067 |  |
| [CVE-2022-24459](https://patchblox.com/security/data/cve/CVE-2022-24459.md) | High | Windows Fax and Scan Service | 7.8 | 0.0064 | Disclosed |
| [CVE-2022-23290](https://patchblox.com/security/data/cve/CVE-2022-23290.md) | High | Windows COM | 7.8 | 0.0063 |  |
| [CVE-2022-23298](https://patchblox.com/security/data/cve/CVE-2022-23298.md) | High | Windows Kernel | 7.0 | 0.0058 |  |
| [CVE-2021-36927](https://patchblox.com/security/data/cve/CVE-2021-36927.md) | High | Windows Media | 7.8 | 0.0053 |  |
| [CVE-2022-23283](https://patchblox.com/security/data/cve/CVE-2022-23283.md) | High | Windows ALPC | 7.0 | 0.0039 |  |
| [CVE-2022-23281](https://patchblox.com/security/data/cve/CVE-2022-23281.md) | Routine | Windows Common Log File System Driver | 5.5 | 0.0113 |  |
| [CVE-2022-23297](https://patchblox.com/security/data/cve/CVE-2022-23297.md) | Routine | Windows Kernel | 5.5 | 0.0079 |  |

---

Data as of 2026-11-07T18:46:35Z 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.