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 ...
The Register on MSN

Microsoft kills 9.9-rated ASP.NET Core bug – 'our highest ever' score

Flaw in Kestrel web server allowed request smuggling, impact depends on hosting setup and application code Microsoft has patched an ASP.NET Core vulnerability with a CVSS score of 9.9, which security ...

Microsoft fixes one of its "highest ever" rated security flaws - here's what happened

Microsoft has confirmed it recently fixed its “highest ever” vulnerability plaguing its ASP.NET Core product. Described as an ...
SecurityWeek

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

Microsoft has patched CVE-2025-55315, a critical vulnerability in the ASP.NET Core open source web development framework.