{"id":"CVE-2026-42990","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-42990","summary":"Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.","details":"Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.","published":"2026-07-14T17:16:48.490","modified":"2026-07-22T16:17:22.240","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.00673,"percentile":0.49075,"asOf":"2026-08-15"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42990"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-07-22T16:17:22.240"}}