{"id":"CVE-2026-85889","aliases":["EUVD-2026-82593","GHSA-4q27-2gv2-3vm4"],"status":"published","title":"Azure AI Foundry Elevation of Privilege Vulnerability","description":"Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00671,"percentile":0.52458,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-09-17T22:55:58Z","modified":"2026-11-10T21:29:16Z","products":[{"vendor":"microsoft","product":"azure ai foundry"},{"vendor":"microsoft","product":"azure_ai_foundry"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85889","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85889"},{"url":"https://github.com/advisories/GHSA-4q27-2gv2-3vm4"}],"sources":{"cve":[{"id":"CVE-2026-85889","title":"Azure AI Foundry Elevation of Privilege Vulnerability","description":"Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T22:55:58.597Z","modified":"2026-11-10T21:29:16.82Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T22:48:54.515847Z"}],"euvd":[{"id":"EUVD-2026-82593","description":"Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T22:55:58Z","modified":"2026-11-10T21:29:16Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T22:23:53.990018Z"}],"ghsa":[{"id":"GHSA-4q27-2gv2-3vm4","title":"Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker...","description":"Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-18T00:31:09Z","modified":"2026-09-18T00:31:16Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:12:08.779152Z"}],"nvd":[{"id":"CVE-2026-85889","description":"Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T23:18:53.217Z","modified":"2026-09-25T14:31:39.617Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","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-306"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}