{"id":"CVE-2026-48561","aliases":["EUVD-2026-43965","GHSA-m97f-w34x-vq3w"],"status":"published","title":"Microsoft Edge Copilot Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00863,"percentile":0.58909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2026-07-14T17:04:12Z","modified":"2026-11-10T22:34:44Z","products":[{"vendor":"microsoft","product":"365_copilot"},{"vendor":"microsoft","product":"microsoft edge copilot for android"},{"vendor":"microsoft","product":"microsoft edge copilot for ios"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48561"},{"url":"https://github.com/advisories/GHSA-m97f-w34x-vq3w"}],"sources":{"cve":[{"id":"CVE-2026-48561","title":"Microsoft Edge Copilot Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T17:04:12.678Z","modified":"2026-11-10T22:34:44.911Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-10T23:49:29.024872Z"}],"euvd":[{"id":"EUVD-2026-43965","description":"Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T17:04:12Z","modified":"2026-11-10T22:34:44Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T23:24:16.163953Z"}],"ghsa":[{"id":"GHSA-m97f-w34x-vq3w","title":"Improper neutralization of special elements used in a command ('command injection') in Microsoft...","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T18:31:59Z","modified":"2026-07-14T18:31:59Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:09:27.635559Z"}],"nvd":[{"id":"CVE-2026-48561","description":"Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-14T17:16:49.753Z","modified":"2026-07-26T18:17:38.233Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:29.114188Z"}]}}