CVE-2025-59249

HIGH

Microsoft Exchange Server - Privilege Escalation

Title source: llm
STIX 2.1

Description

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

References (1)

Scores

CVSS v3 8.8
EPSS 0.0008
EPSS Percentile 24.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-1390
Status published
Products (3)
microsoft/exchange_server 2016 (23 CPE variants)
microsoft/exchange_server 2019 (14 CPE variants)
microsoft/exchange_server < 15.02.2562.029
Published Oct 14, 2025
Tracked Since Feb 18, 2026