CyberICT

CVE-2025-59249

Microsoft · Published October 14, 2025

CVSS v3.1

HIGH
Patch availableGet patch

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability. Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Affected Products

  • Microsoft Exchange Server 2016 Cumulative Update 23
  • Microsoft Exchange Server 2019 Cumulative Update 14
  • Microsoft Exchange Server 2019 Cumulative Update 15
  • Microsoft Exchange Server Subscription Edition RTM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C