This indicates an attack attempt to exploit a Remote File Creation vulnerability in the National Instruments Installer Framework.
The vulnerability, which is located in multiple ActiveX controls shipped as a part of the product, can be exploited through misuse of a vulnerable method. It may allow remote attackers to create arbitrary files with attacker-controlled contents on a targeted machine, using the affected ActiveX control.
National Instruments Installer Framework 1.1
System Compromise: Remote attackers can execute arbitrary code on vulnerable systems.
Apply patch available from the website.