{"id":"CVE-2026-45497","aliases":["EUVD-2026-34335","GHSA-96wf-4fpw-9pw8"],"status":"published","title":"Microsoft M365 Copilot Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00452,"percentile":0.39763,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2026-06-04T22:00:49Z","modified":"2026-11-10T23:25:18Z","products":[{"vendor":"microsoft","product":"copilot"},{"vendor":"microsoft","product":"microsoft 365 copilot"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45497","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45497"},{"url":"https://github.com/advisories/GHSA-96wf-4fpw-9pw8"}],"sources":{"cve":[{"id":"CVE-2026-45497","title":"Microsoft M365 Copilot Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.","status":"published","published":"2026-06-04T22:00:49.895Z","modified":"2026-11-10T23:25:18.194Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-11T00:50:10.062046Z"}],"euvd":[{"id":"EUVD-2026-34335","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.","status":"published","published":"2026-06-04T22:00:49Z","modified":"2026-11-10T23:25:18Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-11T00:24:45.332412Z"}],"ghsa":[{"id":"GHSA-96wf-4fpw-9pw8","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 authorized attacker to execute code over a network.","status":"published","published":"2026-06-05T00:31:52Z","modified":"2026-06-05T00:31:53Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:08:33.048787Z"}],"nvd":[{"id":"CVE-2026-45497","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.","status":"published","published":"2026-06-04T23:17:32.25Z","modified":"2026-07-23T07:10:00.113Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:22.371367Z"}]}}