{"id":"CVE-2026-88176","aliases":["EUVD-2026-121551","GHSA-r7jw-pff9-2249"],"status":"published","title":"Microsoft Office SharePoint Elevation of Privilege Vulnerability","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","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":"2026-11-13","score":0.00695,"percentile":0.53542,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-11-10T18:15:18Z","modified":"2026-11-10T21:34:03Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint server subscription edition"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88176","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88176"},{"url":"https://github.com/advisories/GHSA-r7jw-pff9-2249"}],"sources":{"cve":[{"id":"CVE-2026-88176","title":"Microsoft Office SharePoint Elevation of Privilege Vulnerability","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T18:15:18.109Z","modified":"2026-11-12T21:42:29.001Z","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"}],"cwes":["CWE-862"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121551","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T18:15:18Z","modified":"2026-11-12T21:42:29Z","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":"2026-11-11T00:25:05.012422Z"}],"ghsa":[{"id":"GHSA-r7jw-pff9-2249","title":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate...","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T21:33:57Z","modified":"2026-11-10T21:34:03Z","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-862"],"updated_at":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-88176","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-11-10T19:21:26.847Z","modified":"2026-11-11T12:19:56.98Z","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"}],"cwes":["CWE-862"],"updated_at":"2026-11-11T14:25:06.730463Z"}]}}