.NET and .NET Framework September 2026 servicing releases updates

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Welcome to our combined .NET servicing updates for September 2026. Let’s get into the latest release of .NET and .NET Framework. Here’s a quick overview of what’s new in our servicing releases:Security improvements.NET has been refreshed with the latest update as of September 8, 2026. This update contains security and non-security fixes.This month you will find that these CVEs have been fixed:CVE #TitleApplies toCVE-2026-69805.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0CVE-2026-69439.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0CVE-2026-71328.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0CVE-2026-69522.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0, .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1CVE-2026-69304.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0CVE-2026-58649.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0CVE-2026-66822.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0CVE-2026-69806.NET Security Vulnerability.NET 10.0, .NET 9.0, .NET 8.0.NET 10.0.NET 9.0.NET 8.0Release Notes10.0.129.0.208.0.31Installers and binaries10.0.129.0.208.0.31Container ImagesimagesimagesimagesLinux packages10.09.08.0Known Issues10.09.08.0Release changelogsASP.NET Core: 10.0.12 | 9.0.20 | 8.0.31Entity Framework Core: 10.0.12 | 9.0.20 | 8.0.31Runtime: 10.0.12 | 9.0.20 | 8.0.31.NET Framework September 2026 UpdatesThis month, there are new security and non-security updates available. For recent .NET Framework servicing updates, be sure to browse our release notes for .NET Framework for more details.See you next monthThat’s it for this month, make sure you update to the latest service release today.The post .NET and .NET Framework September 2026 servicing releases updates appeared first on .NET Blog.