{"id":"CVE-2026-20959","details":"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to perform spoofing over a network.","modified":"2026-05-04T08:48:09.575458Z","published":"2026-01-13T18:16:23.937Z","withdrawn":"2026-05-04T08:48:09.575458Z","references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20959"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"16.0.19127.20442"}]},{"events":[{"introduced":"0"},{"last_affected":"2016"}]},{"events":[{"introduced":"0"},{"last_affected":"2019"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-20959.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}