{"id":"CVE-2021-42292","aliases":["EUVD-2021-29267","GHSA-jp63-fcqh-36rc"],"status":"published","title":"Microsoft Excel Security Feature Bypass Vulnerability","description":"Microsoft Excel Security Feature Bypass 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:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.43005,"percentile":0.98736,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-357","CWE-863"],"published":"2021-11-10T00:47:25Z","modified":"2026-08-19T19:23:04Z","kev":{"date_added":"2021-11-17","due_date":"2021-12-01","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-17"},{"source":"kev","since":"2021-11-17"}],"exploits":[{"source":"pocgithub","id":"corelight/CVE-2021-42292","title":"corelight/CVE-2021-42292","date":"2021-11-09","url":"https://github.com/corelight/CVE-2021-42292"}],"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 2019 for mac"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_2016"},{"vendor":"microsoft","product":"office_2019"},{"vendor":"microsoft","product":"office_2021"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42292"},{"url":"https://github.com/advisories/GHSA-jp63-fcqh-36rc"}],"sources":{"cve":[{"id":"CVE-2021-42292","title":"Microsoft Excel Security Feature Bypass Vulnerability","description":"Microsoft Excel Security Feature Bypass Vulnerability","status":"published","published":"2021-11-10T00:47:25Z","modified":"2026-08-19T16:27:22.634Z","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:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29267","description":"Microsoft Excel Security Feature Bypass Vulnerability","status":"published","published":"2021-11-10T00:47:25Z","modified":"2026-08-19T16:27:22Z","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:P/RL:O/RC:C","level":"high"}],"exploited_since":"2021-11-17","updated_at":"2026-11-02T18:01:43.218519Z"}],"ghsa":[{"id":"GHSA-jp63-fcqh-36rc","title":"Microsoft Excel Security Feature Bypass Vulnerability","description":"Microsoft Excel Security Feature Bypass Vulnerability","status":"published","published":"2022-05-24T19:20:22Z","modified":"2026-08-19T18:32:46Z","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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:10:43.503566Z"}],"kev":[{"id":"CVE-2021-42292","title":"Microsoft Excel Security Feature Bypass","description":"A security feature bypass vulnerability in Microsoft Excel would allow a local user to perform arbitrary code execution.","cwes":["CWE-357"],"kev":{"date_added":"2021-11-17","due_date":"2021-12-01","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2021-42292","description":"Microsoft Excel Security Feature Bypass Vulnerability","status":"published","published":"2021-11-10T01:19:47.007Z","modified":"2026-08-19T19:23:04.123Z","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":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":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}