#VU103828 Input validation error in Microsoft products - CVE-2025-21194

Vulnerability identifier: #VU103828

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2025-21194

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
Surface Laptop 3 with Intel Processor
Microsoft Surface Hub
Microsoft Surface Pro 9 ARM
Surface Windows Dev Kit
Microsoft Surface Pro 8
Microsoft Surface Laptop Go
Microsoft Surface Go 2
Microsoft Surface Hub 3
Microsoft Surface Hub 2S
Microsoft Surface Pro 7+
Surface Laptop 4 with AMD Processor
Microsoft Surface Laptop Go 3
Microsoft Surface Go 3
Microsoft Surface Laptop Go 2
Surface Laptop 4 with Intel Processor

Software vendor:
Microsoft

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Surface. A remote attacker on the local network can gain unathorized access to the target system.

Install updates from vendor's website.

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21194