{"id":"CVE-2021-31174","aliases":["EUVD-2021-18087","GHSA-h3gp-8jq6-jqxx"],"status":"published","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Microsoft Excel Information Disclosure Vulnerability","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":"2026-11-11","score":0.02939,"percentile":0.87289,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-200"],"published":"2021-05-11T19:11:25Z","modified":"2026-06-17T03:51:22Z","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 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft office 2016"},{"vendor":"microsoft","product":"microsoft office 2019"},{"vendor":"microsoft","product":"microsoft office online server"},{"vendor":"microsoft","product":"microsoft office web apps server 2013 service pack 1"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_online_server"},{"vendor":"microsoft","product":"office_web_apps_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31174","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31174"},{"url":"https://github.com/advisories/GHSA-h3gp-8jq6-jqxx"}],"sources":{"cve":[{"id":"CVE-2021-31174","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2021-05-11T19:11:25Z","modified":"2024-08-03T22:55:53.31Z","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"}],"updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18087","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2021-05-11T19:11:25Z","modified":"2024-08-03T22:55:53Z","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":"2026-11-03T03:24:40.11662Z"}],"ghsa":[{"id":"GHSA-h3gp-8jq6-jqxx","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2022-05-24T19:02:03Z","modified":"2023-08-02T00:30:32Z","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-125","CWE-200"],"updated_at":"2026-11-02T14:54:43.567376Z"}],"nvd":[{"id":"CVE-2021-31174","description":"Microsoft Excel Information Disclosure Vulnerability","status":"published","published":"2021-05-11T19:15:09.597Z","modified":"2026-06-17T03:51:22.987Z","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"},{"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"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}