{"id":"CVE-2026-77488","aliases":["EUVD-2026-73789","GHSA-2p2q-6jp7-fc7g"],"status":"published","title":"Microsoft SQL Server Information Disclosure Vulnerability","description":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00404,"percentile":0.34934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2026-09-08T17:18:17Z","modified":"2026-10-31T16:16:50Z","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-2026-77488","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77488"},{"url":"https://github.com/advisories/GHSA-2p2q-6jp7-fc7g"}],"sources":{"cve":[{"id":"CVE-2026-77488","title":"Microsoft SQL Server Information Disclosure Vulnerability","description":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T17:18:17.166Z","modified":"2026-10-31T16:16:50.184Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-73789","description":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T17:18:17Z","modified":"2026-10-31T16:16:50Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T16:58:56.806292Z"}],"ghsa":[{"id":"GHSA-2p2q-6jp7-fc7g","title":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose...","description":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T18:33:19Z","modified":"2026-09-08T18:33:54Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T15:11:34.019342Z"}],"nvd":[{"id":"CVE-2026-77488","description":"Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.","status":"published","published":"2026-09-08T18:20:34.527Z","modified":"2026-09-15T14:57:29.537Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:12:45.264578Z"}]}}