.NET 11.0 Preview 3 brings Union Types and enhances File-based Apps

The third preview version of .NET 11.0 makes the long-awaited Union Types in C# practically usable, because the Visual Studio ...

Operating Margin: What It Is and Formula

A company's operating margin is the profit it makes on a dollar of sales after accounting for the direct costs involved in ...
InfoQ

ASP.NET Core in .NET 11 Preview 1 Brings New Blazor Components, Improved Navigation, and WebAssembly

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Agent workflows make transport a first-order ...
Visual Studio Magazine

Building Real-World Web Apps with ASP.NET Core Razor Pages

Understand the key advantages of Razor Pages in ASP.NET Core for building real-world web applications Learn how features like dependency injection, configuration, and environment awareness improve ...
Microsoft

Understanding CVE-2025-55315: What CISOs, security engineers, and sysadmins should know

On October 14, 2025, Microsoft released a security update addressing CVE-2025-55315, a vulnerability in ASP.NET Core that allows HTTP request smuggling. While request smuggling is a known technique, ...
Bleeping Computer

Microsoft fixes highest-severity ASP.NET Core flaw ever

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 ...
CSOonline

Critical ASP.NET core vulnerability earns Microsoft’s highest-ever severity score

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 ...
SecurityWeek

‘Highest Ever’ Severity Score Assigned by Microsoft to ASP.NET Core Vulnerability

CVE-2025-55315 is an HTTP request smuggling bug leading to information leaks, file content tampering, and server crashes. Microsoft’s October Patch Tuesday updates addressed a critical-severity ...
Investopedia

Sustainability: What It Is, How It Works, Benefits, and Example

Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...
GitHub

[FEATURE REQ] - Add ASP.NET Core example to "Managing the Client Object" documentation

I’d like to suggest enhancing the documentation with a dedicated section on managing the client object, especially clarifying whether it is thread-safe and how it should be instantiated (e.g., ...
InfoWorld

How to use route constraints in ASP.NET Core minimal APIs

When working with minimal APIs in ASP.NET Core, you can define routes for the HTTP verbs using mapping methods such as MapGet, MapPut, MapPost, and MapDelete. While these methods allow you to route ...