{"id":"CVE-2026-58617","title":"M365 Copilot for iOS Elevation of Privilege Vulnerability","summary":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","severity":"high","cvss":8.1,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-284"],"vendor":"Microsoft","product":"Microsoft 365 Copilot for iOS","affected":["365_copilot_for_ios >= 1.0 < 2.111.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-14T18:26:55.713971Z"},"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:34:09.477Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58617","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617","label":"M365 Copilot for iOS Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00787,"epssPercentile":0.54656,"ingestedAt":"2026-09-08T17:06:31.897Z","slug":"CVE-2026-58617","body":"## Overview\n\nImproper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.\n\n## Affected\n\n- `365_copilot_for_ios >= 1.0 < 2.111.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}