{"id":"CVE-2026-77484","aliases":["EUVD-2026-73785","GHSA-9c53-qmh3-jjjf"],"status":"published","title":"Microsoft SQL Server Remote Code Execution Vulnerability","description":"Deserialization of untrusted data 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":0.01694,"percentile":0.77292,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-09-08T17:18:13Z","modified":"2026-10-31T16:16:48Z","products":[{"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_2019"},{"vendor":"microsoft","product":"sql_server_2022"},{"vendor":"microsoft","product":"sql_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77484","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77484"},{"url":"https://github.com/advisories/GHSA-9c53-qmh3-jjjf"}],"sources":{"cve":[{"id":"CVE-2026-77484","title":"Microsoft SQL Server Remote Code Execution Vulnerability","description":"Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:18:13.746Z","modified":"2026-10-31T16:16:48.015Z","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-502"],"updated_at":"2026-11-02T14:20:16.072351Z"}],"euvd":[{"id":"EUVD-2026-73785","description":"Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:18:13Z","modified":"2026-10-31T16:16:48Z","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-9c53-qmh3-jjjf","title":"Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code...","description":"Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:33:19Z","modified":"2026-09-08T18:33:47Z","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-502"],"updated_at":"2026-11-02T15:11:34.019342Z"}],"nvd":[{"id":"CVE-2026-77484","description":"Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:20:34.023Z","modified":"2026-09-15T16:08:26.37Z","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-502"],"updated_at":"2026-11-02T14:12:45.264578Z"}]}}