.NET and Visual Studio Denial of Service Vulnerability

HighVendor CVSS 7.5 / 10 1 CVE Published Apr 14, 2026 at 7:00 AM UTC

Summary

Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

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Release Notes Install KB5086095. Install KB5086096. Install KB5086097.

Apr 14, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Apr 20, 2026 at 7:00 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 27, 2026 at 11:11 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 16, 2026 at 11:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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