{"id":"CVE-2026-24299","aliases":["EUVD-2026-13178","GHSA-4qcc-rfpp-j5r4"],"status":"published","title":"M365 Copilot Information Disclosure Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00762,"percentile":0.55666,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2026-03-19T21:06:24Z","modified":"2026-06-19T18:18:01Z","products":[{"vendor":"microsoft","product":"365_copilot"},{"vendor":"microsoft","product":"microsoft 365 copilot"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24299","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24299"},{"url":"https://github.com/advisories/GHSA-4qcc-rfpp-j5r4"}],"sources":{"cve":[{"id":"CVE-2026-24299","title":"M365 Copilot Information Disclosure Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-19T21:06:24.955Z","modified":"2026-06-19T18:18:01.445Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:19:50.575061Z"}],"euvd":[{"id":"EUVD-2026-13178","description":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-19T21:06:24Z","modified":"2026-06-19T18:18:01Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:20:35.26548Z"}],"ghsa":[{"id":"GHSA-4qcc-rfpp-j5r4","title":"Improper neutralization of special elements used in a command ('command injection') in M365...","description":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-19T21:30:24Z","modified":"2026-03-19T21:30:24Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:06:43.427844Z"}],"nvd":[{"id":"CVE-2026-24299","description":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-19T21:17:00.077Z","modified":"2026-06-17T10:22:51.697Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:09.735529Z"}]}}