{"id":"CVE-2026-67391","aliases":["EUVD-2026-121587","GHSA-rmhr-529x-7wwf"],"status":"published","title":"Microsoft SQL Server Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00927,"percentile":0.61029,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-11-10T18:15:37Z","modified":"2026-11-10T22:19:20Z","products":[{"vendor":"microsoft","product":"microsoft sql server 2017 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2017 for x64-based systems (cu31)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2019 for x64-based systems (cu32)"},{"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 cu10"},{"vendor":"microsoft","product":"microsoft sql server 2025 for x64-based systems (gdr)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67391","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67391"},{"url":"https://github.com/advisories/GHSA-rmhr-529x-7wwf"}],"sources":{"cve":[{"id":"CVE-2026-67391","title":"Microsoft SQL Server Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-11-10T18:15:37.335Z","modified":"2026-11-13T18:04:31.685Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121587","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-11-10T18:15:37Z","modified":"2026-11-13T18:04:31Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-11T00:24:54.204841Z"}],"ghsa":[{"id":"GHSA-rmhr-529x-7wwf","title":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a...","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-11-10T21:33:54Z","modified":"2026-11-10T21:34:02Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-67391","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-11-10T19:21:18.843Z","modified":"2026-11-10T22:19:20.053Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-11T00:21:54.604297Z"}]}}