THREAT OPS › CVEs › CVE-2026-42897
CVE-2026-42897 — Microsoft Exchange Server Cross-Site Scripting Vulnerability
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.
Vulnerability details
- Affected productsMicrosoft
- KEV remediation due2026-05-29
Exploiting threat actors
- Mustang PandaG0129