{"id":"CVE-2026-21518","aliases":["EUVD-2026-7359"],"status":"published","title":"GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0144,"percentile":0.73527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2026-02-10T17:51:15Z","modified":"2026-10-24T10:30:48Z","products":[{"vendor":"microsoft","product":"microsoft visual studio code copilot chat extension"},{"vendor":"microsoft","product":"visual studio code"},{"vendor":"microsoft","product":"visual_studio_code"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21518","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]}],"sources":{"cve":[{"id":"CVE-2026-21518","title":"GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-02-10T17:51:15.121Z","modified":"2026-08-19T16:26:19.457Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-7359","description":"Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-02-10T17:51:15Z","modified":"2026-08-19T16:26:19Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:01:44.172516Z"}],"nvd":[{"id":"CVE-2026-21518","description":"Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-02-10T18:16:34.263Z","modified":"2026-06-17T10:18:46.18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:05.908608Z"}],"osv":[{"id":"CVE-2026-21518","description":"Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-02-10T18:16:34.263Z","modified":"2026-10-24T10:30:48.948678783Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:58.42038Z"}]}}