Name: CVE-2026-42897: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-05-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-42897, CWE-79, Exploited in the Wild, CISA KEV Exploit, CVSS 6.1, EPSS 0.12343, CISA KEV

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.

CVSS Details

CVSS 3.1 Base Score: 6.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Exchange	—	Download and install Microsoft KB5094139Download and install Microsoft KB5094144Download and install Microsoft KB5094140Download and install Microsoft KB5094142	Jun 9, 2026	May 14, 2026

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CVSS Details

Covered by Rapid7

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