CVE detail

CVE-2026-42897 — Microsoft Exchange Server Cross-Site Scripting Vulnerability

Published 2026-05-15 · Modified 2026-05-15 · Source kev

HIGH

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.7031

EPSS probability

exploitation probability, 30d

99.0%

EPSS percentile

percentile vs all CVEs

LISTED

CISA KEV

due 2026-05-29

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.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.