{"id":"CVE-2026-58617","aliases":["EUVD-2026-44305","GHSA-fw44-xwgm-pf69"],"status":"published","title":"M365 Copilot for iOS Elevation of Privilege Vulnerability","description":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00787,"percentile":0.56605,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-07-14T17:10:11Z","modified":"2026-11-10T22:40:52Z","products":[{"vendor":"microsoft","product":"365_copilot"},{"vendor":"microsoft","product":"microsoft 365 copilot for ios"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58617"},{"url":"https://github.com/advisories/GHSA-fw44-xwgm-pf69"}],"sources":{"cve":[{"id":"CVE-2026-58617","title":"M365 Copilot for iOS Elevation of Privilege Vulnerability","description":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T17:10:11.205Z","modified":"2026-11-10T22:40:52.122Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-10T23:49:29.755102Z"}],"euvd":[{"id":"EUVD-2026-44305","description":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T17:10:11Z","modified":"2026-11-10T22:40:52Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-11T00:24:46.475072Z"}],"ghsa":[{"id":"GHSA-fw44-xwgm-pf69","title":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to...","description":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T18:32:41Z","modified":"2026-07-14T18:32:42Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:09:30.715875Z"}],"nvd":[{"id":"CVE-2026-58617","description":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T18:18:44.26Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:29.879716Z"}]}}