# KB5036451: March 2024 security update

KB5036451, released March 12, 2024, fixes 2 CVEs in .NET 7.0. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5036451
- Platform: Microsoft
- Released: Mar 12, 2024
- Priority: High (Closes CVE-2024-21392, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5036451

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [.NET 7.0](https://patchblox.com/security/data/product/microsoft/net-7.0.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-21392](https://patchblox.com/security/data/cve/CVE-2024-21392.md) | High | .NET | 7.5 | 0.0309 |  |
| [CVE-2024-26190](https://patchblox.com/security/data/cve/CVE-2024-26190.md) | High | Microsoft QUIC | 7.5 | 0.0299 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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