{"id":"CVE-2021-38656","aliases":["EUVD-2021-25095","GHSA-q5j2-v8q9-65c8"],"status":"published","title":"Microsoft Word Remote Code Execution Vulnerability","description":"Microsoft Word Remote Code Execution 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:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.06731,"percentile":0.9404,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-09-15T11:24:15Z","modified":"2026-08-10T18:32:12Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38656","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38656","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1082/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38656"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1082"},{"url":"https://github.com/advisories/GHSA-q5j2-v8q9-65c8"}],"sources":{"cve":[{"id":"CVE-2021-38656","title":"Microsoft Word Remote Code Execution Vulnerability","description":"Microsoft Word Remote Code Execution Vulnerability","status":"published","published":"2021-09-15T11:24:15Z","modified":"2026-08-10T15:11:04.872Z","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:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25095","description":"Microsoft Word Remote Code Execution Vulnerability","status":"published","published":"2021-09-15T11:24:15Z","modified":"2026-08-10T15:11:04Z","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:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:04.543433Z"}],"ghsa":[{"id":"GHSA-q5j2-v8q9-65c8","title":"Microsoft Word Remote Code Execution Vulnerability","description":"Microsoft Word Remote Code Execution Vulnerability","status":"published","published":"2022-05-24T19:14:41Z","modified":"2026-08-10T18:32:12Z","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-416"],"updated_at":"2026-11-02T15:10:15.270288Z"}],"nvd":[{"id":"CVE-2021-38656","description":"Microsoft Word Remote Code Execution Vulnerability","status":"published","published":"2021-09-15T12:15:15.597Z","modified":"2026-08-10T16:18:11.47Z","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"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}