{"cvss":8.1,"datePublished":"2026-05-14T00:00:00Z","dateUpdated":"2026-05-14T00:00:00Z","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.","dueDate":"2026-05-29T00:00:00Z","id":"CVE-2026-42897","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"Microsoft","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","severity":"HIGH","source":"vulncheck_kev","title":"Microsoft Exchange Server Cross-Site Scripting Vulnerability","vendor":"Microsoft"}