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.
Superseded. The latest Microsoft .NET Windows Desktop Runtime 8.0 is 8.0.33, which also fixes every CVE on this page. Install that instead.
Priority of the 4 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft .NET Windows Desktop Runtime 8.0 | 8.0.23 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-25667 | Microsoft .NET Windows Desktop Runtime 8.0: Uncontrolled Resource Consumption | 7.5 | 0.0319 | None reported |
| High | CVE-2025-26646 | .NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability | 8.0 | 0.0127 | Exploitation Unlikely |
| High | CVE-2025-30399 | .NET and Visual Studio Remote Code Execution Vulnerability | 7.5 | 0.0112 | Exploitation Less Likely |
| High | CVE-2025-55248 | .NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability | 8.5 | 0.0074 | Exploitation Less Likely |
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