{"id":"CVE-2026-77481","aliases":["EUVD-2026-73824","GHSA-x655-787w-f787"],"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":"2026-11-09","score":0.00913,"percentile":0.60348,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-08T17:18:36Z","modified":"2026-10-31T16:17:08Z","products":[{"vendor":"microsoft","product":"microsoft sql server 2017 (cu 31)"},{"vendor":"microsoft","product":"microsoft sql server 2017 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (cu 32)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2022 (cu 26)"},{"vendor":"microsoft","product":"microsoft sql server 2022 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2025 (cu8)"},{"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-2026-77481","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77481"},{"url":"https://github.com/advisories/GHSA-x655-787w-f787"}],"sources":{"cve":[{"id":"CVE-2026-77481","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":"2026-09-08T17:18:36.668Z","modified":"2026-10-31T16:17:08.596Z","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":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-73824","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:18:36Z","modified":"2026-10-31T16:17:08Z","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":"2026-11-02T16:58:56.806292Z"}],"ghsa":[{"id":"GHSA-x655-787w-f787","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":"2026-09-08T18:33:18Z","modified":"2026-09-08T18:34:00Z","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":"2026-11-02T15:11:34.019342Z"}],"nvd":[{"id":"CVE-2026-77481","description":"Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:20:33.633Z","modified":"2026-09-15T14:55:03.26Z","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":"2026-11-02T14:12:45.264578Z"}]}}