# Microsoft .NET Windows Desktop Runtime 8.0 8.0.23

Microsoft .NET Windows Desktop Runtime 8.0 8.0.23, released December 9, 2025, fixes 4 CVEs in Microsoft .NET Windows Desktop Runtime 8.0. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft .NET Windows Desktop Runtime 8.0 is 8.0.33, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/microsoft.dotnet.desktopruntime.8-8.0.23
- Platform: Windows apps
- Released: Dec 9, 2025
- Priority: High (Closes CVE-2026-25667, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Superseded by: [Microsoft .NET Windows Desktop Runtime 8.0 8.0.33](https://patchblox.com/security/data/product/windows-app/microsoft-.net-windows-desktop-runtime-8.0.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft .NET Windows Desktop Runtime 8.0](https://patchblox.com/security/data/product/windows-app/microsoft-.net-windows-desktop-runtime-8.0.md) |  | 8.0.23 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-25667](https://patchblox.com/security/data/cve/CVE-2026-25667.md) | High | Microsoft .NET Windows Desktop Runtime 8.0: Uncontrolled Resource Consumption | 7.5 | 0.0319 |  |
| [CVE-2025-26646](https://patchblox.com/security/data/cve/CVE-2025-26646.md) | High | .NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability | 8.0 | 0.0127 |  |
| [CVE-2025-30399](https://patchblox.com/security/data/cve/CVE-2025-30399.md) | High | .NET and Visual Studio Remote Code Execution Vulnerability | 7.5 | 0.0112 |  |
| [CVE-2025-55248](https://patchblox.com/security/data/cve/CVE-2025-55248.md) | High | .NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability | 8.5 | 0.0074 |  |

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Data as of 2026-11-10T20:03:11Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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