Microsoft releases emergency patches for critical ASP.NET flaw

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

Microsoft Patches Critical ASP.NET Core CVE-2026-40372 Privilege Escalation Bug

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

Microsoft issues emergency update for macOS and Linux ASP.NET threat

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

Microsoft issues out-of-band patch for critical security flaw in update to ASP.NET Core

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 ...