CVE-2026-55008

Published: Jul 14, 2026Modified: Jul 15, 2026

9.6

Vector

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

Exploitability: 2.8 / Impact: 6.0

Source: secure@microsoft.com (Secondary)

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.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55008

Source: secure@microsoft.com

Timeline

No history available yet.