Microsoft has released an out-of-band fix for CVE-2026-40372, a critical ASP.NET Core vulnerability with a CVSS score of 9.1 that could grant SYSTEM privileges. The flaw stems from improper ...

Patching is not enough: applications embedding the insecure library will need to be rebuilt, and affected tokens and cookies ...

Microsoft released an emergency patch for its ASP.NET Core to fix a high-severity vulnerability that allows unauthenticated ...

"A regression in the Microsoft.AspNetCore.DataProtection 10.0.0-10.0.6 NuGet packages cause the managed authenticated ...

Microsoft has set an end-of-support date of April 7, 2027, for ASP.NET Core 2.3, the only supported version on .NET Framework, even though .NET Framework (and the original ASP.NET) will continue to be ...

.NET Framework remains widely used in legacy enterprise systems built around Windows-based architecture Performance improvements and flexible deployment make modern .NET suitable for APIs and cloud ...

Earlier this week, Microsoft patched a vulnerability that was flagged with the "highest ever" severity rating received by an ASP.NET Core security flaw. This HTTP request smuggling bug (CVE-2025-55315 ...

The Kestrel web server flaw allows request smuggling attacks, but the actual risk depends on the application code and deployment. Microsoft has patched a critical vulnerability in ASP.NET Core that ...

Microsoft’s new .NET 9, released, has many improvements over its predecessor .NET 8. It’s built with a focus on performance and cloud-native apps. .NET 9 will be supported for 18 months as ...