{"id":"CVE-2020-17066","aliases":["EUVD-2020-9021","GHSA-c257-95qj-mq44"],"status":"published","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Microsoft Excel 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":"2026-11-11","score":0.04129,"percentile":0.90948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-11-11T06:48:25Z","modified":"2026-06-17T02:58:36Z","products":[{"vendor":"microsoft","product":"excel"},{"vendor":"microsoft","product":"microsoft excel 2010 service pack 2"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17066","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17066"},{"url":"https://github.com/advisories/GHSA-c257-95qj-mq44"}],"sources":{"cve":[{"id":"CVE-2020-17066","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2020-11-11T06:48:25Z","modified":"2024-09-10T15:52:03.386Z","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":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9021","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2020-11-11T06:48:25Z","modified":"2024-09-10T15:52:03Z","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":"2026-11-03T00:55:59.274325Z"}],"ghsa":[{"id":"GHSA-c257-95qj-mq44","title":"Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17019,...","description":"Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17019, CVE-2020-17064, CVE-2020-17065.","status":"published","published":"2022-05-24T17:33:50Z","modified":"2024-01-09T05:05:21Z","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"}],"updated_at":"2026-11-02T14:55:22.44362Z"}],"nvd":[{"id":"CVE-2020-17066","description":"Microsoft Excel Remote Code Execution Vulnerability","status":"published","published":"2020-11-11T07:15:17.59Z","modified":"2026-06-17T02:58:36.68Z","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":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:24.137599Z"}]}}