{"id":"CVE-2026-102859","aliases":[],"title":"Microsoft Office SharePoint Spoofing Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","products":[{"vendor":"Microsoft","name":"Microsoft SharePoint Server Subscription Edition","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.20326.20190","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-102859"}],"remediation":[],"description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","severity":"medium","score":4.6,"published":"2026-10-13T18:59:28.634Z","modified":"2026-10-28T18:09:05.325Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102859"],"sources":[{"name":"CVE","id":"CVE-2026-102859","modified":"2026-10-28T18:09:05.325Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-102859"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","score":4.6}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T20:10:32.935Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}