{"id":"CVE-2026-83945","aliases":["EUVD-2026-100711","GHSA-5hvg-r2mf-rvx6"],"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":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00548,"percentile":0.46337,"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":"2026-11-10T20:39:12Z","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 cu10"},{"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_2022"},{"vendor":"microsoft","product":"sql_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83945","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83945"},{"url":"https://github.com/advisories/GHSA-5hvg-r2mf-rvx6"}],"sources":{"cve":[{"id":"CVE-2026-83945","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":"2026-10-13T20:36:36.717Z","modified":"2026-11-10T20:39:12.605Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T22:18:29.471829Z"}],"euvd":[{"id":"EUVD-2026-100711","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-13T20:36:36Z","modified":"2026-11-10T20:39:12Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T22:23:59.037992Z"}],"ghsa":[{"id":"GHSA-5hvg-r2mf-rvx6","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":"2026-10-13T21:37:32Z","modified":"2026-10-13T21:37:39Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:13:21.557572Z"}],"nvd":[{"id":"CVE-2026-83945","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-13T21:19:09.11Z","modified":"2026-11-10T21:20:57.483Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-11T00:21:50.862051Z"}]}}