{"id":"CVE-2026-42897","vendor_project":"Microsoft","product":"Microsoft","vulnerability_name":"Microsoft Exchange Server Cross-Site Scripting Vulnerability","date_added":"2026-05-15","due_date":"2026-05-29","known_ransomware_use":"Unknown","short_description":"Microsoft Exchange Server contains a cross-site scripting vulnerability during web page generation in Outlook Web Access and when certain interaction conditions are met, arbitrary JavaScript can be executed in the browser context.","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.","cwes":"CWE-79","cvss_version":"3.1","cvss_severity":"MEDIUM","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","nvd_published":"2026-05-14","nvd_status":"Analyzed","epss":0.71766,"epss_percentile":0.99397,"cvss_score":6.1,"days_published_to_kev":1,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-42897","by":"CyberMax"}