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Microsoft Security Response CenterCVE-2026-45482

Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

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.

Read the vendor bulletin Get alerts for Microsoft Visual Studio Code CoPilot Chat Extension
8.4CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Visual Studio Code CoPilot Chat Extension

Versions the vendor lists as fixed

  • 1.123.2
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-45482View CVSS, KEV, EPSS, and threat context
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