CVE-2026-42897

⚠ KEVEPSS 10.3%

Microsoft Exchange Server Cross-Site Scripting Vulnerability

Added to CISA KEV: 5/15/2026

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.

Affected packages (0)

No package mapping in OSV.