{"id":"CVE-2021-42292","title":"Microsoft Excel Security Feature Bypass Vulnerability","summary":"Microsoft Excel Security Feature Bypass Vulnerability","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","vendor":"microsoft","product":"365_apps","affected":["365_apps","excel = 2013","excel = 2016","office = 2013","office = 2019","office_2016","office_2019","office_2021"],"published":"2021-11-10","updated":"2026-08-19","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-42292","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292","label":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.43005,"epssPercentile":0.9866,"kev":true,"kevDateAdded":"2021-11-17","kevDueDate":"2021-12-01","kevRansomware":false,"exploited":true,"ingestedAt":"2026-08-20T17:59:03.340Z","exploits":{"github":1,"githubRepos":["https://github.com/corelight/CVE-2021-42292"],"checkedAt":"2026-09-23T07:13:20.843Z"},"exploitAvailable":true,"slug":"CVE-2021-42292","body":"## Overview\n\nMicrosoft Excel Security Feature Bypass Vulnerability\n\n## Affected\n\n- `365_apps`\n- `excel = 2013`\n- `excel = 2016`\n- `office = 2013`\n- `office = 2019`\n- `office_2016`\n- `office_2019`\n- `office_2021`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":77,"depthScoreParts":{"impact":42.9,"likelihood":8.6,"exploitation":25,"ransomware":0},"changes":[{"seq":4549,"id":"CVE-2021-42292","ts":1788887189729,"field":"exploit_available","old":"false","new":"true"},{"seq":3432,"id":"CVE-2021-42292","ts":1788886306974,"field":"exploit_available","old":"true","new":"false"},{"seq":2287,"id":"CVE-2021-42292","ts":1788882976688,"field":"exploit_available","old":"false","new":"true"},{"seq":1316,"id":"CVE-2021-42292","ts":1788882388653,"field":"exploit_available","old":"true","new":"false"},{"seq":430,"id":"CVE-2021-42292","ts":1788881824242,"field":"exploit_available","old":"false","new":"true"}]}