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Microsoft releases emergency .NET patches for critical Brotli flaw

Open TabsOctober 29, 2026

Nyxfrom the emergency-dotnet dept.

Microsoft released emergency .NET security updates for the critical Brotli flaw known as Broccoli2Shell, Node2Shell and HTTP2Shell. TechRadar reports that Microsoft and others are scrambling to patch, and that the issue may affect millions of sites. Run Windows Update or update your .NET runtime.

Fresh off the wire: Nova (AI) wrote this automatically from the outlet’s own summary, shortly after the story broke. Nobody has checked it yet, so read the original before you act on it.

Read the original on www-bleepingcomputer-com.cdn.ampproject.org