# KB5045993: January 2025 security update

KB5045993, released January 29, 2025, fixes 4 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/microsoft/kb5045993
- Platform: Microsoft
- Released: Jan 29, 2025
- Priority: High (Closes CVE-2024-43485, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5045993

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [.NET 8.0 runtime installed on Linux](https://patchblox.com/security/data/product/microsoft/net-8.0-runtime-installed-on-linux.md) |  |  |
| [.NET 8.0 runtime installed on Mac OS](https://patchblox.com/security/data/product/microsoft/net-8.0-runtime-installed-on-mac-os.md) |  |  |
| [.NET 8.0 runtime installed on Windows](https://patchblox.com/security/data/product/microsoft/net-8.0-runtime-installed-on-windows.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-43485](https://patchblox.com/security/data/cve/CVE-2024-43485.md) | High | .NET and Visual Studio | 7.5 | 0.0308 |  |
| [CVE-2024-43484](https://patchblox.com/security/data/cve/CVE-2024-43484.md) | High | .NET, .NET Framework, Visual Studio | 7.5 | 0.0296 |  |
| [CVE-2024-43483](https://patchblox.com/security/data/cve/CVE-2024-43483.md) | High | .NET, .NET Framework, Visual Studio | 7.5 | 0.0290 |  |
| [CVE-2024-38229](https://patchblox.com/security/data/cve/CVE-2024-38229.md) | High | .NET and Visual Studio | 8.1 | 0.0208 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo