{"id":"CVE-2026-68883","aliases":["EUVD-2026-100709","GHSA-pj26-v6gh-94p3"],"status":"published","title":"Microsoft SQL Server Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00557,"percentile":0.46691,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-10-13T20:36:36Z","modified":"2026-11-02T18:48:53Z","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 for x64-based systems (cu9)"},{"vendor":"microsoft","product":"microsoft sql server 2025 for x64-based systems (gdr)"},{"vendor":"microsoft","product":"sql_server_2017"},{"vendor":"microsoft","product":"sql_server_2019"},{"vendor":"microsoft","product":"sql_server_2022"},{"vendor":"microsoft","product":"sql_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68883","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68883"},{"url":"https://github.com/advisories/GHSA-pj26-v6gh-94p3"}],"sources":{"cve":[{"id":"CVE-2026-68883","title":"Microsoft SQL Server Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T20:36:36.565Z","modified":"2026-10-31T18:05:51.09Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T13:46:10.323375Z"}],"euvd":[{"id":"EUVD-2026-100709","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T20:36:36Z","modified":"2026-10-31T18:05:51Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:53.928041Z"}],"ghsa":[{"id":"GHSA-pj26-v6gh-94p3","title":"Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over...","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T21:37:31Z","modified":"2026-10-13T21:37:38Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:13:21.557572Z"}],"nvd":[{"id":"CVE-2026-68883","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-13T21:17:41.847Z","modified":"2026-11-02T18:48:53.757Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T20:51:41.611955Z"}]}}