# CVE-2023-33126: .NET and Visual Studio Remote Code Execution Vulnerability

CVE-2023-33126 is fixed in 4 products on 2 platforms, first by PowerShell Preview 7.3.0.1, released December 16, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-33126
- Priority: High
- CVSS: 7.3 (Important)
- EPSS: 0.0100
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 13, 2023
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33126

## Description

.NET and Visual Studio Remote Code Execution Vulnerability

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | .NET 6.0 |  | [KB5027797](https://patchblox.com/security/data/fix/microsoft/kb5027797.md) | Jun 13, 2023 |
| Microsoft | .NET 7.0 |  | [KB5027798](https://patchblox.com/security/data/fix/microsoft/kb5027798.md) | Jun 13, 2023 |
| Windows apps | PowerShell | 7.2.12.0 | [PowerShell 7.2.12.0](https://patchblox.com/security/data/fix/windows-app/microsoft.powershell-7.2.12.0.md) | Jun 27, 2023 |
| Windows apps | PowerShell Preview | 7.3.0.1 | [PowerShell Preview 7.3.0.1](https://patchblox.com/security/data/fix/windows-app/microsoft.powershell.preview-7.3.0.1.md) | Dec 16, 2021 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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