{"id":"CVE-2026-67626","aliases":["EUVD-2026-100606","GHSA-w7cx-4jpr-vh3m"],"status":"published","title":"Microsoft SQL Server Denial of Service Vulnerability","description":"Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00883,"percentile":0.59657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-10-13T20:37:01Z","modified":"2026-11-10T20:41:33Z","products":[{"vendor":"microsoft","product":"microsoft sql server 2022 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2022 for x64-based systems (cu27)"},{"vendor":"microsoft","product":"microsoft sql server 2025 for x64-based systems (cu9)"},{"vendor":"microsoft","product":"microsoft sql server 2025 for x64-based systems (gdr)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67626"},{"url":"https://github.com/advisories/GHSA-w7cx-4jpr-vh3m"}],"sources":{"cve":[{"id":"CVE-2026-67626","title":"Microsoft SQL Server Denial of Service Vulnerability","description":"Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.","status":"published","published":"2026-10-13T20:37:01.187Z","modified":"2026-11-10T20:41:33.412Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-10T22:18:27.902968Z"}],"euvd":[{"id":"EUVD-2026-100606","description":"Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.","status":"published","published":"2026-10-13T20:37:01Z","modified":"2026-11-10T20:41:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T22:23:58.135191Z"}],"ghsa":[{"id":"GHSA-w7cx-4jpr-vh3m","title":"Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service...","description":"Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.","status":"published","published":"2026-10-13T21:37:30Z","modified":"2026-10-13T21:37:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:13:21.557572Z"}],"nvd":[{"id":"CVE-2026-67626","description":"Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.","status":"published","published":"2026-10-13T21:17:41.487Z","modified":"2026-10-15T20:39:54.15Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}