Microsoft describes ASP.NET Core as a “high-performance” Web development framework for writing .Net apps that run on Windows, ...

Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability ...

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

Microsoft has released an out-of-band .NET 10.0.7 update to fix a critical ASP.NET Core Data Protection vulnerability (CVE-2026-40372) that could let unauthenticated attackers gain SYSTEM privileges ...

Patching is not enough: applications embedding the insecure library will need to be rebuilt, and affected tokens and cookies expired. Developers are advised to check their applications after Microsoft ...

Microsoft will stop providing security patches, bug fixes, and technical support for ASP.NET Core 2.3 on April 7, 2027.

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 ...

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 web-dev ASP.NET Core framework and Xamarin.Forms' successor .NET MAUI received the lion's share of dev attention in the seventh preview of .NET 9 as Microsoft preps for a November launch at .NET ...

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Microsoft has announced that ASP.NET Core 2.3 will reach the end of its support period on April 7, 2027. From that point on, ...

Remember when you had to really dig in concentrate and understand exactly how C# and other code worked at the most basic levels? Then you'll like Microsoft's early preview of .NET 11.