Improper Certificate Validation in Windows Server and Windows - CVE-2025-48802
Published: July 9, 2025
Vulnerability identifier: #VU112598
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-48802
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows
Windows Server
Windows
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate validation in Windows SMB Server. A remote user can perform a spoofing attack on the system.
How to mitigate CVE-2025-48802
Install updates from vendor's website.