{"id":"CVE-2021-42292","state":"PUBLISHED","title":"Microsoft Excel Security Feature Bypass Vulnerability","description":"Microsoft Excel Security Feature Bypass Vulnerability","publishedAt":"2021-11-10T00:47:25.000Z","updatedAt":"2026-08-19T16:27:22.634Z","severity":{"score":7.8,"label":"High","version":"3.1","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","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Microsoft 365 Apps for Enterprise","Microsoft Microsoft Excel 2013 Service Pack 1","Microsoft Microsoft Excel 2016","Microsoft Microsoft Office 2013 Service Pack 1","Microsoft Microsoft Office 2016","Microsoft Microsoft Office 2019","Microsoft Microsoft Office 2019 for Mac","Microsoft Microsoft Office LTSC 2021","Microsoft Microsoft Office LTSC for Mac 2021"],"affected":[{"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","versions":[{"version":"16.0.1","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Excel 2013 Service Pack 1","versions":[{"version":"15.0.0.0","status":"affected","lessThan":"15.0.5397.1001","versionType":"custom"}],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Excel 2016","versions":[{"version":"16.0.0.0","status":"affected","lessThan":"16.0.5239.1001","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2013 Service Pack 1","versions":[{"version":"15.0.0","status":"affected","lessThan":"15.0.5397.1001","versionType":"custom"}],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2016","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.5239.1001","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2019","versions":[{"version":"19.0.0","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2019 for Mac","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.55.21111400","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Office LTSC 2021","versions":[{"version":"16.0.1","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office LTSC for Mac 2021","versions":[{"version":"16.0.1","status":"affected","lessThan":"16.55.21111400","versionType":"custom"}]}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:04.473Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/42xxx/CVE-2021-42292.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-42292","state":"PUBLISHED","datePublished":"2021-11-10T00:47:25.000Z","dateUpdated":"2026-08-19T16:27:22.634Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2021-10-12T00:00:00.000Z"},"containers":{"cna":{"title":"Microsoft Excel Security Feature Bypass Vulnerability","descriptions":[{"lang":"en-US","value":"Microsoft Excel Security Feature Bypass Vulnerability"}],"affected":[{"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","versions":[{"version":"16.0.1","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Excel 2013 Service Pack 1","versions":[{"version":"15.0.0.0","status":"affected","lessThan":"15.0.5397.1001","versionType":"custom"}],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Excel 2016","versions":[{"version":"16.0.0.0","status":"affected","lessThan":"16.0.5239.1001","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2013 Service Pack 1","versions":[{"version":"15.0.0","status":"affected","lessThan":"15.0.5397.1001","versionType":"custom"}],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2016","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.5239.1001","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2019","versions":[{"version":"19.0.0","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office 2019 for Mac","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.55.21111400","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Office LTSC 2021","versions":[{"version":"16.0.1","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft Office LTSC for Mac 2021","versions":[{"version":"16.0.1","status":"affected","lessThan":"16.55.21111400","versionType":"custom"}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292","name":"Microsoft Excel Security Feature Bypass Vulnerability","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"description":"Security Feature Bypass","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2026-08-19T16:27:22.634Z"},"datePublic":"2021-11-09T08:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*","versionStartIncluding":"19.0.0","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:macos:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.55.21111400"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"16.0.1","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*","versionStartIncluding":"16.0.1","versionEndExcluding":"16.55.21111400"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*","versionStartIncluding":"16.0.1","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:excel_2016:*:*:*:*:*:*:x86:*","versionStartIncluding":"16.0.0.0","versionEndExcluding":"16.0.5239.1001"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2016:*:*:*:*:*:*:x86:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.0.5239.1001"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:excel_2013:*:sp1:*:*:rt:*:*:*","versionStartIncluding":"15.0.0.0","versionEndExcluding":"15.0.5397.1001"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office_2013:*:sp1:*:*:rt:*:*:*","versionStartIncluding":"15.0.0","versionEndExcluding":"15.0.5397.1001"}]}]}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T03:30:37.920Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292","tags":["government-resource"]}],"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-42292","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2024-01-03T16:41:16.021878Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2021-11-17","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:25:25.426Z"},"timeline":[{"time":"2021-11-17T00:00:00.000Z","lang":"en","value":"CVE-2021-42292 added to CISA KEV"}]}]}}}