{"schema":"threatline.record/2","record":{"id":"CVE-2026-32201","aliases":[],"summary":"Microsoft SharePoint Server Improper Input Validation Vulnerability","details":"Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.","categories":["Applications & CMS"],"product":"SharePoint Server","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","source_modified_at":"2026-10-15T15:53:37.451Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Enterprise Server 2016","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.5548.1003","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","source_modified_at":"2026-10-15T15:53:37.451Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Server 2019","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.10417.20114","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","source_modified_at":"2026-10-15T15:53:37.451Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Server Subscription Edition","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.19725.20210","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","source_modified_at":"2026-10-15T15:53:37.451Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Microsoft SharePoint Enterprise Server 2016","ecosystem":null},"version":"16.0.5548.1003","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","source_modified_at":"2026-10-15T15:53:37.451Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Microsoft SharePoint Server 2019","ecosystem":null},"version":"16.0.10417.20114","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","source_modified_at":"2026-10-15T15:53:37.451Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Microsoft SharePoint Server Subscription Edition","ecosystem":null},"version":"16.0.19725.20210","basis":"first unaffected version stated in the CVE record"}],"cvss":6.5,"severity":"Medium","kev":{"listed":true,"date_added":"2026-04-14","due_date":"2026-04-28","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.43378,"percentile":0.98732,"score_date":"2026-10-23"},"published_at":"2026-04-14T16:58:36.981Z","modified_at":"2026-10-15T15:53:37.451Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-32201","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-15T15:53:37.451Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-32201","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32201","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32201","source":"CISA KEV"},{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201","tags":["vendor-advisory","patch"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32201","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2026-04-09T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-15T15:53:37.451Z","content_hash":"06ab1609062ebb8a273ece5ecf192f05b60a8d4eb2dd43399203bef099658ed9"}}