# KB5034275: May 2024 security update

KB5034275, released May 8, 2024, fixes 5 CVEs across 6 products. One of them is being exploited (CVE-2024-29059); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb5034275
- Platform: Microsoft
- Released: May 8, 2024
- Priority: Patch now (Closes CVE-2024-29059, exploited (CISA KEV))
- CVEs: 5, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/5034275

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-10-version-22h2-for-32-bit-systems.md) |  |  |
| [Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-10-version-22h2-for-arm64-based-systems.md) |  |  |
| [Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-10-version-22h2-for-x64-based-systems.md) |  |  |
| [Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-10-version-22h2-for-32-bit-systems.md) |  |  |
| [Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-10-version-22h2-for-arm64-based-systems.md) |  |  |
| [Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-10-version-22h2-for-x64-based-systems.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-29059](https://patchblox.com/security/data/cve/CVE-2024-29059.md) | Patch now | .NET Framework | 7.5 | 0.9862 | CISA KEV |
| [CVE-2024-21312](https://patchblox.com/security/data/cve/CVE-2024-21312.md) | High | .NET Framework | 7.5 | 0.0358 |  |
| [CVE-2024-0057](https://patchblox.com/security/data/cve/CVE-2024-0057.md) | High | .NET and Visual Studio | 9.8 | 0.0278 |  |
| [CVE-2024-0056](https://patchblox.com/security/data/cve/CVE-2024-0056.md) | High | SQL Server | 8.7 | 0.0118 |  |
| [CVE-2023-36042](https://patchblox.com/security/data/cve/CVE-2023-36042.md) | Routine | Visual Studio | 6.2 | 0.0079 |  |

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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