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.

HighFixed on 2 platforms

CVSS

8.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0086

58th percentile

<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

Product	Fixed in	Fix	Released
Windows apps
Microsoft Visual Studio Code	1.119.1	Microsoft Visual Studio Code 1.119.1	May 11, 2026
Microsoft Visual Studio Code Insiders	1.120.0	Microsoft Visual Studio Code Insiders 1.120.0	May 5, 2026
macOS
Microsoft Visual Studio Code	1.121.0	Microsoft Visual Studio Code 1.121.0	May 19, 2026

Details

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

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