7.5
/ 10
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Basic Information
ID
MS:CVE-2025-64666
Published
Dec 9, 2025 at 08:00