What’s Vulnerable › Vulnerabilities

CVE-2026-50519: Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

• Severity: high (CVSS 7.5 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: 2026-06-19 · updated 2026-10-25
• Weakness: CWE-1188

Description

Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Visual Studio Code CoPilot Chat Extension: all versions
• Microsoft Visual Studio Code CoPilot Chat Extension: from 1.0.0 before 1.123.2 — fixed in 1.123.2

How to fix

Upgrade to a fixed version: Microsoft Visual Studio Code CoPilot Chat Extension 1.123.2. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519

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