.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 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 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 It has since been superseded by .NET 11.0.0-rc.2.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 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 It has since been superseded by .NET 9.0.21.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 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 It has since been superseded by .NET 11.0.0-rc.2.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 9.0.19 was released on 2026-08-11. It ships .NET Runtime 9.0.19, ASP.NET Core Runtime 9.0.19, SDK 9.0.317, 9.0.120. The official release metadata lists 10 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 It has since been superseded by .NET 9.0.21.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 11.0.0-preview.6 was released on 2026-07-14. It ships .NET Runtime 11.0.0-preview.6.26359.118, ASP.NET Core Runtime 11.0.0-preview.6.26359.118, SDK 11.0.100-preview.6.26359.118. .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 It has since been superseded by .NET 11.0.0-rc.2.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 9.0.18 was released on 2026-07-14. It ships .NET Runtime 9.0.18, ASP.NET Core Runtime 9.0.18, SDK 9.0.316, 9.0.119. The official release metadata lists 17 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 11.0.0-preview.5 was released on 2026-06-09. It ships .NET Runtime 11.0.0-preview.5.26302.115, ASP.NET Core Runtime 11.0.0-preview.5.26302.115, SDK 11.0.100-preview.5.26302.115. .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 9.0.17 was released on 2026-06-09. It ships .NET Runtime 9.0.17, ASP.NET Core Runtime 9.0.17, SDK 9.0.315, 9.0.118. The official release metadata lists 3 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 11.0.0-preview.4 was released on 2026-05-12. It ships .NET Runtime 11.0.0-preview.4.26230.115, ASP.NET Core Runtime 11.0.0-preview.4.26230.115, SDK 11.0.100-preview.4.26230.115. .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 9.0.16 was released on 2026-05-12. It ships .NET Runtime 9.0.16, ASP.NET Core Runtime 9.0.16, SDK 9.0.314, 9.0.117. The official release metadata lists 4 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.