{"id":"CVE-2023-36766","aliases":["EUVD-2023-40709","GHSA-vv5p-vgxx-4xv6"],"status":"published","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Microsoft Excel Information Disclosure Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01228,"percentile":0.69251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-09-12T16:58:28Z","modified":"2026-06-17T06:07:02Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"excel"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft excel 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft excel 2016"},{"vendor":"microsoft","product":"microsoft office 2019"},{"vendor":"microsoft","product":"microsoft office 2019 for mac"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"microsoft office online server"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_long_term_servicing_channel"},{"vendor":"microsoft","product":"office_online_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36766","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36766"},{"url":"https://github.com/advisories/GHSA-vv5p-vgxx-4xv6"}],"sources":{"cve":[{"id":"CVE-2023-36766","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2023-09-12T16:58:28.687Z","modified":"2025-10-30T18:17:55.262Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:35:28.218693Z"}],"euvd":[{"id":"EUVD-2023-40709","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2023-09-12T16:58:28Z","modified":"2025-10-30T18:17:55Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:49:35.853861Z"}],"ghsa":[{"id":"GHSA-vv5p-vgxx-4xv6","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2023-09-12T18:30:21Z","modified":"2024-04-04T07:37:42Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:53.151805Z"}],"nvd":[{"id":"CVE-2023-36766","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2023-09-12T17:15:12.95Z","modified":"2026-06-17T06:07:02.32Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:08:28.268644Z"}]}}