MS Advisory (2757760) Vulnerability in Internet Explorer Could Allow Remote Code Execution

  Severity: CRITICAL
  CVE Identifier: CVE-2012-4969
  Advisory Date: SEP 17, 2012


A remote code execution vulnerability in Internet Explorer versions 6, 7, 8, and 9 is being used in some targeted attacks. Visiting a website or webpage where the exploit is hosted may automatically run the exploit. Trend Micro detects the exploit as HTML_EXPDROP.II.

Note that this vulnerability does not affect Internet Explorer 10. The following Windows Server Core Installations are also not affected:

  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 R2 for x64-based Systems
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2012


Trend Micro Deep Security shields networks through the following Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities.

MS Bulletin ID Vulnerability ID DPI Rule Number DPI Rule Name Release Date IDF Compatibility

1005194 Microsoft Internet Explorer 'execCommand' Use-After-Free Vulnerability 18-Sep-12 YES


  • Internet Explorer 6
  • Internet Explorer 7
  • Internet Explorer 8
  • Internet Explorer 9