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CVE-2026-42897 - Microsoft Microsoft

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.

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AI Vulnerability ContextCISA KEVMicrosoft

Record summary

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CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

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CISA KEV
CVE 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 campaign use
Unknown
CWE-79

Exploit context

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Related case studies

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