{"id":"CVE-2026-69399","aliases":["EUVD-2026-82586","GHSA-h8pp-hmv6-8cpq"],"status":"published","title":"Azure Arc Elevation of Privilege Vulnerability","description":"Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/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":0.00591,"percentile":0.4869,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-441"],"published":"2026-09-17T22:55:54Z","modified":"2026-11-10T21:29:13Z","products":[{"vendor":"microsoft","product":"azure arc"},{"vendor":"microsoft","product":"azure_arc"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69399","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69399"},{"url":"https://github.com/advisories/GHSA-h8pp-hmv6-8cpq"}],"sources":{"cve":[{"id":"CVE-2026-69399","title":"Azure Arc Elevation of Privilege Vulnerability","description":"Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T22:55:54.666Z","modified":"2026-11-10T21:29:13.399Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-441"],"updated_at":"2026-11-10T22:48:52.144232Z"}],"euvd":[{"id":"EUVD-2026-82586","description":"Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T22:55:54Z","modified":"2026-11-10T21:29:13Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/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-h8pp-hmv6-8cpq","title":"Azure Arc Elevation of Privilege Vulnerability","description":"Azure Arc Elevation of Privilege Vulnerability","status":"published","published":"2026-09-18T00:31:09Z","modified":"2026-09-18T00:31:14Z","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-441"],"updated_at":"2026-11-02T15:12:08.779152Z"}],"nvd":[{"id":"CVE-2026-69399","description":"Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T23:18:18.793Z","modified":"2026-10-31T17:17:30.793Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"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":"secondary"}],"cwes":["CWE-441"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}