{"affected":[{"product":"Microsoft 365 Copilot for iOS","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"2.111.4","status":"affected","version":"1.0","versionType":"custom"}]}],"cveId":"CVE-2026-58617","cwes":["CWE-284"],"description":"Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.","epss":{"date":"2026-11-10","percentile":0.56485,"score":0.00787},"exploits":[],"kev":null,"metrics":[{"score":8.1,"severity":"high","source":"CNA: microsoft","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","version":"3.1"}],"modifiedAt":1794350452122,"publishedAt":1784049011205,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58617"}],"revision":"fc044a9a16a4ba5826d75a6ca9e019f0ec31caffd4cef152d327dcf018bddc03","sources":[{"modifiedAt":1794350452122,"name":"CNA: microsoft","retrievedAt":1794353321590,"url":"https://www.cve.org/CVERecord?id=CVE-2026-58617"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353334671,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-58617"}],"ssvc":{"assessedAt":1784053615713,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"M365 Copilot for iOS Elevation of Privilege Vulnerability","updatedAt":1794353334671}