CVE-2026-70279

Microsoft · Published October 13, 2026

9.3

CVSS v3.1

CRITICAL

Patch availableGet patch

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.

Affected Products

CVSS Vector

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