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 ...

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

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

Microsoft has released an out-of-band .NET 10.0.7 update to fix a critical ASP.NET Core Data Protection vulnerability ...

ASP.NET Core and Blazor received the lion's share of updates in .NET 10 Preview 6, with improvements ranging from JavaScript bundler support and server state persistence to enhanced diagnostics and ...

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

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Microsoft has patched an ASP.NET Core vulnerability with a CVSS score of 9.9, which security program manager Barry Dorrans said was "our highest ever." The flaw is in the Kestrel web server component ...

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 ...

Microsoft will stop providing security patches, bug fixes, and technical support for ASP.NET Core 2.3 on April 7, 2027. Microsoft’s ASP.NET Core 2.3, a version of the company’s open source web ...