# CVE-2026-45482: Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

CVE-2026-45482 is fixed in 2 products on 2 platforms, first by Microsoft Visual Studio Code Insiders 1.124.0, released June 4, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-45482
- Priority: High
- CVSS: 8.4 (Important)
- EPSS: 0.0035
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 9, 2026
- Weakness: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482

## Description

<p>Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Microsoft Visual Studio Code | 1.123.2 | [Microsoft Visual Studio Code 1.123.2](https://patchblox.com/security/data/fix/windows-app/microsoft.visualstudiocode-1.123.2.md) | Jun 9, 2026 |
| Windows apps | Microsoft Visual Studio Code Insiders | 1.124.0 | [Microsoft Visual Studio Code Insiders 1.124.0](https://patchblox.com/security/data/fix/windows-app/microsoft.visualstudiocode.insiders-1.124.0.md) | Jun 4, 2026 |
| macOS | Microsoft Visual Studio Code | 1.125.1 | [Microsoft Visual Studio Code 1.125.1](https://patchblox.com/security/data/fix/macos/com.microsoft.vscode-1.125.1.md) | Jun 19, 2026 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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