Path Traversal in Microsoft Visual Studio Code Copilot Chat Extension
CVE-2026-45482
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (27.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-45482?
- CVE-2026-45482 is a high-severity vulnerability in Microsoft Visual Studio Code Copilot Chat Extension, classified under Path Traversal. CVSS score: 8.4/10. Published 2026-06-09.
- How severe is CVE-2026-45482?
- High severity. CVSS v3 base score is 8.4 out of 10.