Windows DLL Loading Remote Code Execution Vulnerability

Published: 2017-03-14
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0039
Exploitation vector Network
Public exploit N/A
Vulnerable software
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Untrusted search path


Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-0039

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the way the Microsoft Windows loads .dll libraries. A remote attacker can place a specially crafted .dll file along with RTF document on a remote SMB or WebDAV share, trick the victim into opening that document and execute arbitrary code on the target system with privileges of the current user.

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


Install updates from Microsoft website.

Vulnerable software versions

Windows: 7, Vista

Windows Server: 2008, 2008 R2

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.