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Microsoft issues emergency fix for critical ASP.NET Core flaw

Microsoft has released an out-of-band fix for CVE-2026-40372, a critical ASP.NET Core vulnerability with a CVSS score of 9.1 that could grant SYSTEM privileges. The flaw stems from improper ...
CSO Online

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 ...

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

Microsoft released an emergency patch for its ASP.NET Core to fix a high-severity vulnerability that allows unauthenticated ...

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 ...