# KB5047621: November 2024 security update

KB5047621, released November 12, 2024, fixes 3 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/microsoft/kb5047621
- Platform: Microsoft
- Released: Nov 12, 2024
- Priority: High (Closes CVE-2024-43516, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5047621

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 11 Version 24H2 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-11-version-24h2-for-arm64-based-systems.md) |  |  |
| [Windows 11 Version 24H2 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-11-version-24h2-for-x64-based-systems.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-43516](https://patchblox.com/security/data/cve/CVE-2024-43516.md) | High | Windows Secure Kernel Mode | 7.8 | 0.0062 |  |
| [CVE-2024-43528](https://patchblox.com/security/data/cve/CVE-2024-43528.md) | High | Windows Secure Kernel Mode | 7.8 | 0.0053 |  |
| [CVE-2024-43511](https://patchblox.com/security/data/cve/CVE-2024-43511.md) | High | Windows Kernel | 7.0 | 0.0038 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo