.NET June 2026 security Updates - .NET 10.0.9, .NET 9.0.17, .NET 8.0.28

[by-msft]

.NET June 2026 Update

Release Notes

• 10.0.9
• 9.0.17
• 8.0.28

Status

Artifact	10.0.9	9.0.17	8.0.28
Installers/Binaries	✅	✅	✅
Container Images (Linux)	✅	✅	✅
Container Images (Windows)	✅	✅	✅
Winget Packages
Linux Installers (Microsoft distribution)
Debian 12	✅	✅	✅
OpenSUSE 15	✅	✅	✅
Rocky 9	✅	✅	✅
Ubuntu 20.04	✅	✅	✅
Ubuntu 22.04	✅	✅	✅

Issues

Please report any issues you find either by responding to this issue or by opening a new issue in one of the following repos:

• ASP.NET Core: dotnet/aspnetcore
• Entity Framework Core: dotnet/efcore
• .NET CLI/SDK: dotnet/sdk
• .NET runtime: dotnet/runtime
• WinForms: dotnet/winforms
• WPF: dotnet/wpf
• NuGet: nuget/home
• Containers: dotnet/dotnet-docker
• Winget: microsoft/winget-pkgs

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