{"id":"CVE-2021-40487","aliases":["EUVD-2021-27664","GHSA-w9qh-f4fr-cg94"],"status":"published","title":"Microsoft SharePoint Server Remote Code Execution Vulnerability","description":"Microsoft SharePoint Server Remote Code Execution Vulnerability","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.48205,"percentile":0.98871,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2021-10-13T00:27:39Z","modified":"2026-06-17T04:07:01Z","products":[{"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":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_foundation"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40487","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1225/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40487"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1225"},{"url":"https://github.com/advisories/GHSA-w9qh-f4fr-cg94"}],"sources":{"cve":[{"id":"CVE-2021-40487","title":"Microsoft SharePoint Server Remote Code Execution Vulnerability","description":"Microsoft SharePoint Server Remote Code Execution Vulnerability","status":"published","published":"2021-10-13T00:27:39Z","modified":"2025-02-28T20:54:18.671Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27664","description":"Microsoft SharePoint Server Remote Code Execution Vulnerability","status":"published","published":"2021-10-13T00:27:39Z","modified":"2025-02-28T20:54:18Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:53:19.078289Z"}],"ghsa":[{"id":"GHSA-w9qh-f4fr-cg94","title":"Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE...","description":"Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-41344.","status":"published","published":"2022-05-24T19:17:29Z","modified":"2025-02-28T21:31:55Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:00:05.58597Z"}],"nvd":[{"id":"CVE-2021-40487","description":"Microsoft SharePoint Server Remote Code Execution Vulnerability","status":"published","published":"2021-10-13T01:15:12.19Z","modified":"2026-06-17T04:07:01.413Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}