{"id":"CVE-2026-88164","aliases":["EUVD-2026-101506","GHSA-f79v-hgcp-26cg"],"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":"2026-11-12","score":0.00839,"percentile":0.58296,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-10-14T17:50:07Z","modified":"2026-11-10T20:44:23Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint server subscription edition"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88164","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88164"},{"url":"https://github.com/advisories/GHSA-f79v-hgcp-26cg"}],"sources":{"cve":[{"id":"CVE-2026-88164","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":"2026-10-14T17:50:07.799Z","modified":"2026-11-10T20:44:23.188Z","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":"2026-11-10T22:18:29.471829Z"}],"euvd":[{"id":"EUVD-2026-101506","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-14T17:50:07Z","modified":"2026-11-10T20:44:23Z","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":"2026-11-10T22:23:56.642439Z"}],"ghsa":[{"id":"GHSA-f79v-hgcp-26cg","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":"2026-10-14T18:32:29Z","modified":"2026-10-14T18:32:35Z","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":"2026-11-02T15:13:28.606179Z"}],"nvd":[{"id":"CVE-2026-88164","description":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-10-14T18:19:30.3Z","modified":"2026-10-20T16:26:06.143Z","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":"2026-11-02T14:12:59.328869Z"}]}}