{"id":"CVE-2026-88164","title":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","summary":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-862"],"vendor":"Microsoft","product":"Microsoft SharePoint Server Subscription Edition","affected":["sharepoint_server_subscription_edition >= 16.0.0 < 16.0.20326.20190"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:52.763","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88164","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88164","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T03:57:18.320113Z"},"ingestedAt":"2026-10-14T18:47:39.320Z","epss":0.00839,"epssPercentile":0.57619,"slug":"CVE-2026-88164","body":"## Overview\n\nMissing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}