{"id":"CVE-2026-77488","title":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","summary":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-191"],"vendor":"microsoft","product":"sql_server_2017","affected":["sql_server_2017 < 14.0.2130.4","sql_server_2017 >= 14.0.3006.16, < 14.0.3550.4","sql_server_2019 < 15.0.2190.7","sql_server_2019 >= 15.0.4003.23, < 15.0.4490.9","sql_server_2022 < 16.0.1200.5","sql_server_2022 >= 16.0.4003.1, < 16.0.4275.2","sql_server_2025 < 17.0.1135.8","sql_server_2025 >= 17.0.4006.2, < 17.0.4085.5"],"patched":["sql_server_2017 14.0.3550.4","sql_server_2019 15.0.4490.9","sql_server_2022 16.0.4275.2","sql_server_2025 17.0.4085.5"],"published":"2026-09-08","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:57:29.537","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77488","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77488","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00298,"epssPercentile":0.22761,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T19:44:09.089579Z"},"ingestedAt":"2026-09-08T19:08:49.627Z","slug":"CVE-2026-77488","body":"## Overview\n\nInteger underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.\n\n## Affected\n\n- `sql_server_2017 < 14.0.2130.4`\n- `sql_server_2017 >= 14.0.3006.16, < 14.0.3550.4`\n- `sql_server_2019 < 15.0.2190.7`\n- `sql_server_2019 >= 15.0.4003.23, < 15.0.4490.9`\n- `sql_server_2022 < 16.0.1200.5`\n- `sql_server_2022 >= 16.0.4003.1, < 16.0.4275.2`\n- `sql_server_2025 < 17.0.1135.8`\n- `sql_server_2025 >= 17.0.4006.2, < 17.0.4085.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `sql_server_2017 14.0.3550.4`\n- `sql_server_2019 15.0.4490.9`\n- `sql_server_2022 16.0.4275.2`\n- `sql_server_2025 17.0.4085.5`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}