{"id":"CVE-2021-43876","aliases":["EUVD-2021-30738","GHSA-5vx7-rqhr-2p9x"],"status":"published","title":"Microsoft SharePoint Elevation of Privilege Vulnerability","description":"Microsoft SharePoint Elevation of Privilege Vulnerability","severity":{"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/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02028,"percentile":0.81163,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-12-29T22:48:34Z","modified":"2026-06-17T04:11:36Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft sharepoint enterprise server 2016"},{"vendor":"microsoft","product":"microsoft sharepoint server 2019"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43876","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43876"},{"url":"https://github.com/advisories/GHSA-5vx7-rqhr-2p9x"}],"sources":{"cve":[{"id":"CVE-2021-43876","title":"Microsoft SharePoint Elevation of Privilege Vulnerability","description":"Microsoft SharePoint Elevation of Privilege Vulnerability","status":"published","published":"2021-12-29T22:48:34Z","modified":"2024-08-04T04:10:16.281Z","cvss":[{"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/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30738","description":"Microsoft SharePoint Elevation of Privilege Vulnerability","status":"published","published":"2021-12-29T22:48:34Z","modified":"2024-08-04T04:10:16Z","cvss":[{"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/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:13.193734Z"}],"ghsa":[{"id":"GHSA-5vx7-rqhr-2p9x","title":"Microsoft SharePoint Elevation of Privilege Vulnerability.","description":"Microsoft SharePoint Elevation of Privilege Vulnerability.","status":"published","published":"2021-12-31T00:00:41Z","modified":"2023-01-27T05:01:28Z","cvss":[{"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"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:41:53.704212Z"}],"nvd":[{"id":"CVE-2021-43876","description":"Microsoft SharePoint Elevation of Privilege Vulnerability","status":"published","published":"2021-12-29T23:15:12.427Z","modified":"2026-06-17T04:11:36.317Z","cvss":[{"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":"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":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.977492Z"}]}}