#VU115105 Improper Authentication in Windows and Windows Server - CVE-2025-55234

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Main Vulnerability Database Vulnerabilities #VU115105

#VU115105 Improper Authentication in Windows and Windows Server - CVE-2025-55234

Published: September 10, 2025


Vulnerability identifier: #VU115105
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-55234
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests in Windows SMB. A remote attacker can relay attacks and gain elevated privileges on the system.


Remediation

Install updates from vendor's website.

External links