Spoofing attack in Windows Server and Windows - CVE-2025-21314

 

Spoofing attack in Windows Server and Windows - CVE-2025-21314

Published: January 14, 2025


Vulnerability identifier: #VU102743
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-21314
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows

Detailed vulnerability description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows SmartScreen. A remote attacker can spoof page content.


How to mitigate CVE-2025-21314

Install updates from vendor's website.

Sources