# KB5033917: May 2024 security update

KB5033917, released May 8, 2024, fixes 2 CVEs in Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation). One of them is being exploited (CVE-2024-29059); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5033917
- Platform: Microsoft
- Released: May 8, 2024
- Priority: Patch now (Closes CVE-2024-29059, exploited (CISA KEV))
- CVEs: 2, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/5033917

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-server-2022-23h2-edition-server-core-installation.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-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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo