{"schema":"threatline.record/2","record":{"id":"CVE-2026-88164","aliases":[],"summary":"Microsoft Office SharePoint Elevation of Privilege Vulnerability","details":"Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.","categories":["Applications & CMS"],"product":"Microsoft SharePoint Server Subscription Edition","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-88164","source_modified_at":"2026-10-23T22:30:07.844Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Microsoft SharePoint Server Subscription Edition","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.20326.20190","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-88164","source_modified_at":"2026-10-23T22:30:07.844Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"Microsoft SharePoint Server Subscription Edition","ecosystem":null},"version":"16.0.20326.20190","basis":"first unaffected version stated in the CVE record"}],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00725,"percentile":0.5359,"score_date":"2026-10-23"},"published_at":"2026-10-14T17:50:07.799Z","modified_at":"2026-10-23T22:30:07.844Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-88164","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:30:07.844Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-88164","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88164","tags":["vendor-advisory","patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-15T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T22:30:07.844Z","content_hash":"27ad1e0ed7a2b5eecc40bdd98ec87505a4ab31e8ed05e1ed91722e9e3a994b81"}}