Welcome to our combined .NET servicing updates for June 2025. Let’s get into the latest release of .NET & .NET Framework, here is a quick overview of what’s new in our servicing releases:
Security improvements
Security Update
All developers using .NET 8.0 and .NET 9.0 should update immediately due to a remotecode execution vulnerability in Microsoft.NETCore.App CVE-2025-30399. This vulnerability affects .NET 8.0.16, .NET 9.0.5 runtimes and their respective earlier versions. An attacker could exploit this vulnerability by placing files in particular locations, leading to unintended code execution.This month you will find that these CVEs have been fixed:
| CVE # | Title | Applies to |
|---|---|---|
| CVE-2025-30399 | .NET and Visual Studio Spoofing Vulnerability | .NET 9.0, .NET 8.0 |
| .NET 8.0 | .NET 9.0 | |
|---|---|---|
| Release Notes | 8.0.17 | 9.0.6 |
| Installers and binaries | 8.0.17 | 9.0.6 |
| Container Images | images | images |
| Linux packages | 8.0.17 | 9.0.6 |
| Known Issues | 8.0 | 9.0 |
Release changelogs
- ASP.NET Core: 8.0.17 | 9.0.6
- Entity Framework Core: 8.0.17 | 9.0.6
- Runtime: 8.0.17 | 9.0.6
- SDK: 9.0.6
- WinForms: 9.0.6
- WPF: 8.0.17 | 9.0.6
Share feedback about this release in the Release feedback issue.
.NET Framework June 2025 Updates
This month, there are no new security and non-security updates. For recent .NET Framework servicing updates, be sure to browse our release notes for .NET Framework for more details.
See you next month
That’s it for this month, make sure you update to the latest service release today.
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