Everything Patch Gazette has reported about ASP.NET Core: 3 stories, newest first. Part of our Vulnerabilities coverage.
Microsoft releases updates for ASP.NET Core 8, 9, and 10 to fix a high-severity deadlock flaw in the Kestrel server that allows remote denial of service.
A high-severity flaw in ASP.NET Core identity flows allows remote attackers to elevate privileges via unvalidated email addresses.
Critical CVE-2026-88092 allows network tampering via Kestrel. Patches are now available for versions 8, 9, 10, and 11 across Windows, Linux, and macOS.