{"id":"CVE-2023-36891","aliases":["EUVD-2023-40811","GHSA-255q-f9p7-jxj6"],"status":"published","title":"Microsoft SharePoint Server Spoofing Vulnerability","description":"Microsoft SharePoint Server Spoofing Vulnerability","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/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":0.01983,"percentile":0.80835,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-08-08T17:08:49Z","modified":"2026-08-10T15:11:54Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint server 2019"},{"vendor":"microsoft","product":"microsoft sharepoint server subscription edition"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36891","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36891"},{"url":"https://github.com/advisories/GHSA-255q-f9p7-jxj6"}],"sources":{"cve":[{"id":"CVE-2023-36891","title":"Microsoft SharePoint Server Spoofing Vulnerability","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2023-08-08T17:08:49.648Z","modified":"2026-08-10T15:11:54.133Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-40811","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2023-08-08T17:08:49Z","modified":"2026-08-10T15:11:54Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:03.704262Z"}],"ghsa":[{"id":"GHSA-255q-f9p7-jxj6","title":"Microsoft SharePoint Server Spoofing Vulnerability","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2023-08-08T18:30:36Z","modified":"2024-04-04T06:42:14Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:44.910366Z"}],"nvd":[{"id":"CVE-2023-36891","description":"Microsoft SharePoint Server Spoofing Vulnerability","status":"published","published":"2023-08-08T18:15:15.367Z","modified":"2026-06-17T06:07:18.42Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:22.812138Z"}]}}