ASP.NET Core Denial of Service Vulnerability

HighVendor CVSS 7.5 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Release Notes Install KB5135243. Install KB5135242. Install KB5135241.

Nov 10, 2026 at 8:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Nov 10, 2026 at 8:15 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Details collected from Microsoft Security Response Center.

Official bulletin How SecurityAlert builds this record

Your environment

A vendor advisory can tell you what may be affected. It cannot tell you whether that product and version are installed in your environment.

Keep following

Use the vendor-specific RSS feed or set up alerts for a product your team relies on.

Follow this vendor's RSS feed