.NET and .NET Framework September 2026 servicing releases updates

Microsoft released September 2026 servicing updates for .NET and .NET Framework, patching seven CVEs (including CVE-2026-69439, CVE-2026-71328, CVE-2026-69522, CVE-2026-69304, CVE-2026-58649, CVE-2026-66822, and CVE-2026-69806) along with non-security fixes. Updated versions include .NET 10.0.12, .NET 9.0.20, and .NET 8.0.31, with corresponding ASP.NET Core, Entity Framework Core, and runtime changelogs linked. Users are urged to update to the latest service releases.

Source: https://devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-september-2026-servicing-updates. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.