Microsoft Internet Explorer does not properly validate parameters passed to the MsgBox function. This vulnerability could allow an attacker to host a maliciously crafted web page and run arbitrary code if they could convince a user to visit the web page and then get them to press the F1 key in response to a pop up dialog box.
Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.
Trend Micro Deep Security DPI Rule Number: 1004019
Trend Micro Deep Security DPI Rule Name: 1004019 - Microsoft Internet Explorer win32hlp Remote Code Execution