{"id":"CVE-2022-21840","aliases":["EUVD-2022-26996","GHSA-rq4v-w4c3-3h29"],"status":"published","title":"Microsoft Office Remote Code Execution Vulnerability","description":"Microsoft Office Remote Code Execution Vulnerability","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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":"2026-11-09","score":0.03277,"percentile":0.88513,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2022-01-11T20:22:19Z","modified":"2026-06-17T04:27:05Z","products":[{"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":"microsoft office online server"},{"vendor":"microsoft","product":"microsoft office web apps server 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2016"},{"vendor":"microsoft","product":"microsoft sharepoint foundation 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint server 2019"},{"vendor":"microsoft","product":"microsoft sharepoint server subscription edition"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_long_term_servicing_channel"},{"vendor":"microsoft","product":"office_online_server"},{"vendor":"microsoft","product":"office_web_apps"},{"vendor":"microsoft","product":"sharepoint server subscription edition language pack"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21840","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21840","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21840"},{"url":"https://github.com/advisories/GHSA-rq4v-w4c3-3h29"}],"sources":{"cve":[{"id":"CVE-2022-21840","title":"Microsoft Office Remote Code Execution Vulnerability","description":"Microsoft Office Remote Code Execution Vulnerability","status":"published","published":"2022-01-11T20:22:19Z","modified":"2025-01-02T18:22:52.048Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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":"2026-11-02T14:34:29.057251Z"}],"euvd":[{"id":"EUVD-2022-26996","description":"Microsoft Office Remote Code Execution Vulnerability","status":"published","published":"2022-01-11T20:22:19Z","modified":"2025-01-02T18:22:52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:29.532536Z"}],"ghsa":[{"id":"GHSA-rq4v-w4c3-3h29","title":"Microsoft Office Remote Code Execution Vulnerability.","description":"Microsoft Office Remote Code Execution Vulnerability.","status":"published","published":"2022-01-12T00:01:10Z","modified":"2024-11-14T21:31:43Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:58:50.242407Z"}],"nvd":[{"id":"CVE-2022-21840","description":"Microsoft Office Remote Code Execution Vulnerability","status":"published","published":"2022-01-11T21:15:09.483Z","modified":"2026-06-17T04:27:05.24Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","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":"2026-11-02T14:07:10.836864Z"}]}}