Browse / CVEs / CVE-2026-42897
CVE-2026-42897· microsoft / microsoft· CWE-79
Microsoft Exchange Server Cross-Site Scripting Vulnerability
Exploited in the wild. Listed by CISA on 2026-05-15; known to be used by ransomware.
70.7%likelihood of exploitation, next 30 days
99%of all CVEs are less likely
Nonecheck to confirm it
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.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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