#VU119435 Spoofing attack in Microsoft Exchange Server - CVE-2025-64667

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Main Vulnerability Database Vulnerabilities #VU119435

#VU119435 Spoofing attack in Microsoft Exchange Server - CVE-2025-64667

Published: December 9, 2025


Vulnerability identifier: #VU119435
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-64667
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Microsoft Exchange Server
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof an 5322.From email address that is displayed to a user.


Remediation

Install updates from vendor's website.

External links