# CVE-2026-41109: GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability

CVE-2026-41109 is fixed in 2 products on 2 platforms, first by Microsoft Visual Studio Code Insiders 1.120.0, released May 5, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-41109
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0086
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: May 12, 2026
- Weakness: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41109

## Description

<p>Improper neutralization of special elements in output used by a downstream component ('injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to bypass a security feature over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Microsoft Visual Studio Code | 1.119.1 | [Microsoft Visual Studio Code 1.119.1](https://patchblox.com/security/data/fix/windows-app/microsoft.visualstudiocode-1.119.1.md) | May 11, 2026 |
| Windows apps | Microsoft Visual Studio Code Insiders | 1.120.0 | [Microsoft Visual Studio Code Insiders 1.120.0](https://patchblox.com/security/data/fix/windows-app/microsoft.visualstudiocode.insiders-1.120.0.md) | May 5, 2026 |
| macOS | Microsoft Visual Studio Code | 1.121.0 | [Microsoft Visual Studio Code 1.121.0](https://patchblox.com/security/data/fix/macos/com.microsoft.vscode-1.121.0.md) | May 19, 2026 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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