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

CVE-2025-55315 enables HTTP request smuggling in ASP.NET Core’s Kestrel web server Attackers can bypass controls, access credentials, alter files, or crash the server Microsoft released updates for ...
InfoQ

Microsoft Patches Critical ASP.NET Core Vulnerability with 9.9 Severity Score

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Cory Benfield discusses the evolution of ...
CSOonline

Critical ASP.NET core vulnerability earns Microsoft’s highest-ever severity score

The Kestrel web server flaw allows request smuggling attacks, but the actual risk depends on the application code and deployment. Microsoft has patched a critical vulnerability in ASP.NET Core that ...
Bleeping Computer

Microsoft October 2025 Patch Tuesday fixes 6 zero-days, 172 flaws

Today is Microsoft's October 2025 Patch Tuesday, which includes security updates for 172 flaws, including six zero-day vulnerabilities. This Patch Tuesday also addresses eight "Critical" ...