What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-12 · updated 2026-10-28
• Weakness: CWE-74

Description

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.

Affected products

• Microsoft Visual Studio Code: before 1.119.1 — fixed in 1.119.1
• Microsoft Visual Studio Code: from 1.0.0 before 1.128.1 — fixed in 1.128.1

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code 1.119.1; Microsoft Visual Studio Code 1.128.1. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41109

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