CVE-2026-42897

HIGH CVSS 8.1 View on NVD ↗

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected Products

microsoft/exchange_server

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42897

Published: May 14, 2026 18:16 UTC Modified: May 15, 2026 15:20 UTC