Microsoft

Everything BlueTeam Herald has reported about Microsoft: 2 stories, newest first. Part of our Vulnerabilities coverage.

Vulnerabilities

Update .NET Runtimes to Fix High-Severity Out-of-Bounds Write in System.Net.Sockets

Windows applications using .NET 8 through 11 must update NuGet packages to address CVE-2026-70197, a high-severity remote code execution flaw in socket handling.

Oct 14, 2026

Vulnerabilities

Patch Blazor Debugger Now to Block Remote Code Execution on Dev Machines

CVE-2026-102870 allows attackers to run code on developer workstations via the ASP.NET Core debugger; update NuGet packages immediately.

Oct 13, 2026