Remote code execution when processing .LNK files in Microsoft Windows

Published: 2017-06-14
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-8464
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Improper input validation


Risk: Critical


CVE-ID: CVE-2017-8464

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to an error when processing .LNK files. A remote attacker can create a specially crafted .LNK file and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note: the vulnerability is being actively exploited in the wild.


Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 10

Windows Server: 2008 - 2016

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?