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CVE-2026-114151 Visual Studio Remote Code Execution Vulnerability

8.8 highEPSS 1.5%Fix available

High (8.8) in microsoft. EPSS 1.5% estimated probability of exploitation activity in the next 30 days. Fixed in Microsoft.NETCore.App.Runtime.win-x86 10.0.15, 11.0.0, 8.0.34.

On this page
Deserialization of untrusted data in Visual Studio allows an unauthorized attacker to execute code over a network.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.5% estimated probability of exploitation activity in the next 30 days; 75th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-10. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWEs
CWE-121 Stack-based Buffer Overflow
CWE-502 Deserialization of Untrusted Data
OWASP Top 10
A08:2025 Software or Data Integrity Failures
Published
Modified
Assigned by
microsoft (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • microsoft:.net 10.0 installed on windows
  • microsoft:.net 11.0 installed on windows
  • microsoft:.net 8.0 installed on windows
  • microsoft:.net 9.0 installed on windows
  • microsoft:microsoft visual studio 2026 version 18.12

Versions

From the CNA's record in the CVE List.

ProductAffected
Microsoft .NET 10.0 installed on Windowsfrom 10.0.0 before 10.0.15
Microsoft .NET 11.0 installed on Windowsfrom 11.0.0-preview.1 before 11.0.0
Microsoft .NET 8.0 installed on Windowsfrom 8.0.0 before 8.0.34
Microsoft .NET 9.0 installed on Windowsfrom 9.0.0 before 9.0.23
Microsoft Visual Studio 2026 version 18.12from 18.12.0 before 18.12.0

Fix and patched versions

  • Microsoft.NETCore.App.Runtime.win-x86 (NuGet): fixed in 8.0.34, 9.0.23, 10.0.15, 11.0.0
  • Microsoft.NETCore.App.Runtime.win-x64 (NuGet): fixed in 8.0.34, 9.0.23, 10.0.15, 11.0.0
  • Microsoft.NETCore.App.Runtime.win-arm64 (NuGet): fixed in 8.0.34, 9.0.23, 10.0.15, 11.0.0
  • Alpine: fixed package versions per release

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x86>=8.0.0 <8.0.348.0.34
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x64>=8.0.0 <8.0.348.0.34
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-arm64>=8.0.0 <8.0.348.0.34
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x86>=9.0.0 <9.0.239.0.23
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x64>=9.0.0 <9.0.239.0.23
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-arm64>=9.0.0 <9.0.239.0.23
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x86>=10.0.0 <10.0.1510.0.15
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x64>=10.0.0 <10.0.1510.0.15
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-arm64>=10.0.0 <10.0.1510.0.15
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x86>=11.0.0-preview.1 <11.0.011.0.0
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-x64>=11.0.0-preview.1 <11.0.011.0.0
GHSA-fpxj-5c99-g7vjNuGetMicrosoft.NETCore.App.Runtime.win-arm64>=11.0.0-preview.1 <11.0.011.0.0

Linux distributions

DistributionReleasePackageFixed inAdvisory
Ubuntu22.04:LTSdotnet7no fix listedUBUNTU-CVE-2026-114151
Alpinev3.22, v3.23, v3.24dotnet8-runtime8.0.34-r0ALPINE-CVE-2026-114151
Alpinev3.22, v3.23, v3.24dotnet9-runtime9.0.23-r0ALPINE-CVE-2026-114151
Alpinev3.24dotnet10-runtime10.0.15-r0ALPINE-CVE-2026-114151

From the distributions' data via OSV.dev: Ubuntu Security Notices © Canonical Ltd., CC BY-SA 4.0; the Alpine secdb, CC BY-SA 4.0. Modified: reformatted and linked to CVE records. Credits. On the distributions' own pages: Ubuntu · Alpine.

Attack patterns (CAPEC)

  • CAPEC-586 Object Injection Likelihood: Medium · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

Check your stackJSON