{"id":"CVE-2026-66309","aliases":["EUVD-2026-63622","GHSA-883f-j6q4-245q"],"status":"published","title":"Azure SQL Database Elevation of Privilege Vulnerability","description":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00862,"percentile":0.58883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-08-20T21:47:07Z","modified":"2026-11-10T22:01:19Z","products":[{"vendor":"microsoft","product":"azure sql database"},{"vendor":"microsoft","product":"azure_sql_database"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66309","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66309"},{"url":"https://github.com/advisories/GHSA-883f-j6q4-245q"}],"sources":{"cve":[{"id":"CVE-2026-66309","title":"Azure SQL Database Elevation of Privilege Vulnerability","description":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T21:47:07.832Z","modified":"2026-11-10T22:01:19.191Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-10T23:49:30.334266Z"}],"euvd":[{"id":"EUVD-2026-63622","description":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T21:47:07Z","modified":"2026-11-10T22:01:19Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T23:24:16.163953Z"}],"ghsa":[{"id":"GHSA-883f-j6q4-245q","title":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges...","description":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-21T00:31:21Z","modified":"2026-08-21T00:31:30Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:10:48.883791Z"}],"nvd":[{"id":"CVE-2026-66309","description":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T22:17:55.79Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}