{"id":"CVE-2026-66309","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-66309","summary":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","details":"Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.","published":"2026-08-20T22:17:55.790","modified":"2026-08-20T22:17:55.790","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66309"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-20T22:17:55.790"}}