{"id":"CVE-2026-32201","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-32201","generatedAt":"2026-10-31T04:55:17.448Z","title":"Microsoft SharePoint Server Improper Input Validation Vulnerability","description":"Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.","published":"2026-04-14T18:17:27.000Z","lastModified":"2026-10-26T22:10:00.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},"cwe":["CWE-20"],"affected":["microsoft/sharepoint server"],"epss":{"score":0.43378,"percentile":0.9873,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.00983,"percentile":0.60668},{"date":"2026-10-02","score":0.43378,"percentile":0.98695}]},"kev":{"listed":true,"dateAdded":"2026-04-14","dueDate":"2026-04-28","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32201 ; https://nvd.nist.gov/vuln/detail/CVE-2026-32201"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 April 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-02T00:00:00.000Z","detail":{"to":0.43378,"from":0.00983,"percentile":0.98695},"summary":"EPSS moved from 1.0% to 43.4% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.00983,"from":0.43378,"percentile":0.60668},"summary":"EPSS moved from 43.4% to 1.0% probability of exploitation in the next thirty days."}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32201","tags":["Third Party Advisory","US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-32201","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}