CVE-2026-70194: Microsoft Visual Studio 2022 Version 17.14

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.

Affected products

• Microsoft Microsoft Visual Studio 2022 Version 17.14: from 17.14.0, before 17.14.42 (fixed in 17.14.42)
• Microsoft Microsoft Visual Studio 2026 Version 18.10: from 18.10.0, before 18.10.4 (fixed in 18.10.4)
• Microsoft Net 11.0: from 11.0.0, before 11.0.0-rc.2 (fixed in 11.0.0-rc.2)

Affected packages

• Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet)
• Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet)
• Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet)
• Microsoft.NETCore.App.Runtime.osx-x64 (NuGet)
• Microsoft.NetCore.App.Runtime.linux-arm (NuGet)
• Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet)
• Microsoft.NetCore.App.Runtime.linux-x64 (NuGet)
• Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet)

Published 2026-10-13. Last modified 2026-10-14.