.NET runtime and SDK releases, servicing updates and support lifecycle changes.
.NET 10.0.13 was released on 2026-10-13. It ships .NET Runtime 10.0.13, ASP.NET Core Runtime 10.0.13, SDK 10.0.402, 10.0.113. The official release metadata lists 44 CVEs addressed in this release. .NET 10.0 is an LTS release currently in the "active" support phase, with support ending on 2028-11-14.
.NET 11.0.0-rc.2 was released on 2026-10-13. It ships .NET Runtime 11.0.0-rc.2.26504.105, ASP.NET Core Runtime 11.0.0-rc.2.26504.105, SDK 11.0.100-rc.2.26504.105. The official release metadata lists 39 CVEs addressed in this release. .NET 11.0 is an STS release currently in the "go-live" support phase.
.NET 8.0.32 was released on 2026-10-13. It ships .NET Runtime 8.0.32, ASP.NET Core Runtime 8.0.32, SDK 8.0.426, 8.0.132. The official release metadata lists 40 CVEs addressed in this release. .NET 8.0 is an LTS release currently in the "maintenance" support phase, with support ending on 2026-11-10.
.NET 9.0.21 was released on 2026-10-13. It ships .NET Runtime 9.0.21, ASP.NET Core Runtime 9.0.21, SDK 9.0.319, 9.0.122. The official release metadata lists 42 CVEs addressed in this release. .NET 9.0 is an STS release currently in the "maintenance" support phase, with support ending on 2026-11-10.
.NET Blog published “.NET and .NET Framework October 2026 servicing releases updates” by Rahul Bhandari (MSFT), Tara Overfield on 2026-10-12. Here is what it covers and why it matters for .NET Releases developers.
.NET 10.0.12 was released on 2026-09-08. It ships .NET Runtime 10.0.12, ASP.NET Core Runtime 10.0.12, SDK 10.0.401, 10.0.112. The official release metadata lists 6 CVEs addressed in this release. .NET 10.0 is an LTS release currently in the "active" support phase, with support ending on 2028-11-14. It has since been superseded by .NET 10.0.13.
.NET 11.0.0-rc.1 was released on 2026-09-08. It ships .NET Runtime 11.0.0-rc.1.26425.128, ASP.NET Core Runtime 11.0.0-rc.1.26425.128, SDK 11.0.100-rc.1.26425.128. The official release metadata lists 6 CVEs addressed in this release. .NET 11.0 is an STS release currently in the "go-live" support phase. It has since been superseded by .NET 11.0.0-rc.2.
.NET 8.0.31 was released on 2026-09-08. It ships .NET Runtime 8.0.31, ASP.NET Core Runtime 8.0.31, SDK 8.0.425, 8.0.131. The official release metadata lists 5 CVEs addressed in this release. .NET 8.0 is an LTS release currently in the "maintenance" support phase, with support ending on 2026-11-10. It has since been superseded by .NET 8.0.32.
.NET 9.0.20 was released on 2026-09-08. It ships .NET Runtime 9.0.20, ASP.NET Core Runtime 9.0.20, SDK 9.0.318, 9.0.121. The official release metadata lists 6 CVEs addressed in this release. .NET 9.0 is an STS release currently in the "maintenance" support phase, with support ending on 2026-11-10. It has since been superseded by .NET 9.0.21.
.NET 10.0.11 was released on 2026-08-11. It ships .NET Runtime 10.0.11, ASP.NET Core Runtime 10.0.11, SDK 10.0.400, 10.0.303, 10.0.111. The official release metadata lists 10 CVEs addressed in this release. .NET 10.0 is an LTS release currently in the "active" support phase, with support ending on 2028-11-14. It has since been superseded by .NET 10.0.13.
.NET 11.0.0-preview.7 was released on 2026-08-11. It ships .NET Runtime 11.0.0-preview.7.26381.103, ASP.NET Core Runtime 11.0.0-preview.7.26381.103, SDK 11.0.100-preview.7.26381.103. .NET 11.0 is an STS release currently in the "go-live" support phase. It has since been superseded by .NET 11.0.0-rc.2.
.NET 8.0.30 was released on 2026-08-11. It ships .NET Runtime 8.0.30, ASP.NET Core Runtime 8.0.30, SDK 8.0.424, 8.0.130. The official release metadata lists 10 CVEs addressed in this release. .NET 8.0 is an LTS release currently in the "maintenance" support phase, with support ending on 2026-11-10. It has since been superseded by .NET 8.0.32.