{"id":"CVE-2021-43905","aliases":["EUVD-2021-30767","GHSA-p5c8-x5qh-v2mv"],"status":"published","title":"Microsoft Office app Remote Code Execution Vulnerability","description":"Microsoft Office app Remote Code Execution Vulnerability","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.03089,"percentile":0.87881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-12-15T14:15:40Z","modified":"2026-06-17T04:11:37Z","products":[{"vendor":"microsoft","product":"365_copilot"},{"vendor":"microsoft","product":"office app"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43905","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43905"},{"url":"https://github.com/advisories/GHSA-p5c8-x5qh-v2mv"}],"sources":{"cve":[{"id":"CVE-2021-43905","title":"Microsoft Office app Remote Code Execution Vulnerability","description":"Microsoft Office app Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:40Z","modified":"2026-05-28T18:46:44.493Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30767","description":"Microsoft Office app Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:40Z","modified":"2026-05-28T18:46:44Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T18:21:02.186346Z"}],"ghsa":[{"id":"GHSA-p5c8-x5qh-v2mv","title":"Microsoft Office app Remote Code Execution Vulnerability","description":"Microsoft Office app Remote Code Execution Vulnerability","status":"published","published":"2021-12-16T00:01:41Z","modified":"2025-06-11T15:30:24Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:02:41.633611Z"}],"nvd":[{"id":"CVE-2021-43905","description":"Microsoft Office app Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T15:15:11.467Z","modified":"2026-06-17T04:11:37.953Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"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":"2026-11-02T14:07:02.189991Z"}]}}