GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-21518 is fixed in 2 products on 1 platform, first by Microsoft Visual Studio Code Insiders 1.110.0, released February 5, 2026. It is not reported as exploited. Patch Radar priority: High.
<p>Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Microsoft Visual Studio Code | 1.109.2 | Microsoft Visual Studio Code 1.109.2 | Feb 10, 2026 |
| Microsoft Visual Studio Code Insiders | 1.110.0 | Microsoft Visual Studio Code Insiders 1.110.0 | Feb 5, 2026 |
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