VULNERABILITY INTELLIGENCE
CVE-2026-42897
CVSS score8.1 HIGH
EPSS probability70.66%
CISA KEVKnown exploited vulnerability
Published2026-05-14
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Known Exploited Vulnerability
Microsoft Exchange Server Cross-Site Scripting Vulnerability
Vendor / product: Microsoft / Microsoft
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Weakness classification
- secure@microsoft.com: CWE-79
Primary references
- secure@microsoft.com — Mitigation, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource