CVE-2026-96237: .NET Remote Code Execution Vulnerability

Published Oct 13, 2026
·
Updated

.NET Remote Code Execution Vulnerability

Other sources

Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to execute code over a network.

— NVD

Affected Software

29 affected componentsFixes available
Microsoft .NET
Microsoft Visual Studio 2022>=17.14<17.14.42
17.14.42
Microsoft Visual Studio 2026>=18.10<18.10.4
18.10.4
All of the following
Microsoft .NET runtime>=9.0<9.0.319
9.0.319
Microsoft Windows*
All of the following
Microsoft .NET runtime>=8.0<8.0.132
8.0.132
Linux Linux*
All of the following
Microsoft .NET runtime>=10.0<10.0.113
10.0.113
Linux Linux*
All of the following
Microsoft .NET runtime>=8.0<8.0.132
8.0.132
Apple macOS*
All of the following
Microsoft .NET runtime>=9.0<9.0.319
9.0.319
Linux Linux*
All of the following
Microsoft .NET runtime>=9.0<9.0.319
9.0.319
Apple macOS*
All of the following
Microsoft .NET runtime>=10.0<10.0.113
10.0.113
Microsoft Windows*
All of the following
Microsoft .NET runtime>=8.0<8.0.132
8.0.132
Microsoft Windows*
All of the following
Microsoft .NET runtime>=10.0<10.0.113
10.0.113
Apple macOS*
alpine/dotnet10-runtime<10.0.13-r0
10.0.13-r0
alpine/dotnet10-runtime<10.0.13-r0
10.0.13-r0
alpine/dotnet8-runtime<8.0.32-r0
8.0.32-r0
alpine/dotnet8-runtime<8.0.32-r0
8.0.32-r0
alpine/dotnet8-runtime<8.0.32-r0
8.0.32-r0
alpine/dotnet9-runtime<9.0.21-r0
9.0.21-r0
alpine/dotnet9-runtime<9.0.21-r0
9.0.21-r0
alpine/dotnet9-runtime<9.0.21-r0
9.0.21-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.10.4
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.113Patch KB5130036
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.14.42
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 9.0.319Patch KB5130035
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 8.0.132Patch KB5130034

Event History

Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:01 PM
Data Sourced
via MITRE·07:01 PM
DescriptionSeverity
Data Sourced
via NVD·07:21 PM
DescriptionSeverityWeakness
Data Sourced
via OSV·07:21 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Which environments are identified as affected?

The affected software list includes Microsoft .NET, .NET 8.0 and 9.0 installations on Linux, .NET 8.0 and 10.0 installations on macOS, .NET 9.0 installations on Windows, and Microsoft Visual Studio 2022 and 2026.

2

What access does an attacker need?

The vector is network-based and no privileges are required. Exploitation requires user interaction and has high attack complexity.

3

What is the potential impact if exploitation succeeds?

Successful exploitation can affect confidentiality, integrity, and availability at a high level, including remote code execution.

Contact

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