CVE-2026-114152: Microsoft Visual Studio stack-based buffer overflow

CVE-2026-114152 · Severity: high · CVSS 8.8 · Published 2026-11-10

Visual Studio is a development platform used by software engineers to build applications. A stack-based buffer overflow vulnerability in Visual Studio could allow an attacker to execute malicious code on a developer's computer over the network, potentially compromising source code, credentials, and development infrastructure.

Technologies: Microsoft Visual Studio, Microsoft.NetCore.App.Runtime.win-arm64 (NuGet), Microsoft.NetCore.App.Runtime.win-x64 (NuGet), Microsoft.NetCore.App.Runtime.win-x86 (NuGet). Vendors: Microsoft, NuGet.

Quick answers

Is CVE-2026-114152 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-114152 being exploited in the wild.
How severe is CVE-2026-114152?
High severity, with a CVSS score of 8.8, published 10 November 2026.
Which products and versions are affected?
Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) >= 8.0.0, < 8.0.34, ECOSYSTEM:introduced=8.0.0,fixed=8.0.34; Microsoft.NetCore.App.Runtime.win-x64 (NuGet) >= 8.0.0, < 8.0.34, ECOSYSTEM:introduced=8.0.0,fixed=8.0.34; Microsoft.NetCore.App.Runtime.win-x86 (NuGet) >= 8.0.0, < 8.0.34, ECOSYSTEM:introduced=8.0.0,fixed=8.0.34.
Is there a fix for CVE-2026-114152?
Yes. Microsoft.NetCore.App.Runtime.win-arm64 (NuGet): upgrade to 8.0.34 or later; Microsoft.NetCore.App.Runtime.win-x64 (NuGet): upgrade to 8.0.34 or later; Microsoft.NetCore.App.Runtime.win-x86 (NuGet): upgrade to 8.0.34 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-114152 attacked?
It is attacked over the network.
Am I affected by CVE-2026-114152?
Check whether you run Microsoft Visual Studio, Microsoft.NetCore.App.Runtime.win-arm64 (NuGet), Microsoft.NetCore.App.Runtime.win-x64 (NuGet) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet): upgrade to 8.0.34 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-arm64 --version 8.0.34
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet): upgrade to 8.0.34 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-x64 --version 8.0.34
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet): upgrade to 8.0.34 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-x86 --version 8.0.34

Technical details

A stack-based buffer overflow exists in Microsoft Visual Studio, allowing remote code execution via network-based attack without requiring authentication. The vulnerability stems from improper bounds checking in a component that processes external input. Successful exploitation grants arbitrary code execution in the context of the Visual Studio process.

Affected products

  • Microsoft Visual Studio

Identifiers

  • CVE-2026-114152
  • GHSA-xf35-v9jh-g65w

References

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