CVE-2025-25005 MEDIUM

CVE-2025-25005: Microsoft Exchange Server Tampering Vulnerability

Vendor Microsoft
Product Microsoft Exchange Server 2016 Cumulative Update 23
Weakness CWE-20 · Input validation
Published August 12, 2025
Last update February 13, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 13, 2026 Record updated

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