.NET 9.0.12 was released on 2026-01-20. It ships .NET Runtime 9.0.12, ASP.NET Core Runtime 9.0.12, SDK 9.0.310, 9.0.309, 9.0.113. .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 It has since been superseded by .NET 9.0.21.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 9.0.11 was released on 2025-11-19. It ships .NET Runtime 9.0.11, ASP.NET Core Runtime 9.0.11, SDK 9.0.308, 9.0.307, 9.0.112. .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 It has since been superseded by .NET 9.0.21.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 9.0.10 was released on 2025-10-14. It ships .NET Runtime 9.0.10, ASP.NET Core Runtime 9.0.10, SDK 9.0.306, 9.0.111. 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 It has since been superseded by .NET 9.0.21.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 9.0.9 was released on 2025-09-09. It ships .NET Runtime 9.0.9, ASP.NET Core Runtime 9.0.9, SDK 9.0.305, 9.0.110. .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 It has since been superseded by .NET 9.0.21.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 9.0.8 was released on 2025-08-05. It ships .NET Runtime 9.0.8, ASP.NET Core Runtime 9.0.8, SDK 9.0.304, 9.0.109. .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 It has since been superseded by .NET 9.0.21.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 9.0.7 was released on 2025-07-17. It ships .NET Runtime 9.0.7, ASP.NET Core Runtime 9.0.7, SDK 9.0.303, 9.0.302, 9.0.108. .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 It has since been superseded by .NET 9.0.21.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 9.0.6 was released on 2025-06-10. It ships .NET Runtime 9.0.6, ASP.NET Core Runtime 9.0.6, SDK 9.0.301, 9.0.205, 9.0.107. The official release metadata lists 1 CVE 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 It has since been superseded by .NET 9.0.21.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 9.0.5 was released on 2025-05-13. It ships .NET Runtime 9.0.5, ASP.NET Core Runtime 9.0.5, SDK 9.0.300, 9.0.204, 9.0.106. The official release metadata lists 1 CVE 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 It has since been superseded by .NET 9.0.21.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 9.0.4 was released on 2025-04-08. It ships .NET Runtime 9.0.4, ASP.NET Core Runtime 9.0.4, SDK 9.0.203, 9.0.105. The official release metadata lists 1 CVE 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 9.0.3 was released on 2025-03-11. It ships .NET Runtime 9.0.3, ASP.NET Core Runtime 9.0.3, SDK 9.0.202, 9.0.201, 9.0.104. The official release metadata lists 1 CVE 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 9.0.2 was released on 2025-02-11. It ships .NET Runtime 9.0.2, ASP.NET Core Runtime 9.0.2, SDK 9.0.200, 9.0.103. .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 9.0.1 was released on 2025-01-14. It ships .NET Runtime 9.0.1, ASP.NET Core Runtime 9.0.1, SDK 9.0.102. 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.