GHSA-MF4X-W4GH-4656 Microsoft Security Advisory CVE-2026-70186 - ASP.NET Core Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An unauthenticated...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.win-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process. A...