MS04-040: Internet Explorer Cummulative Update (IFRAME FIX)

MS04-040: Internet Explorer Cummulative Update (IFRAME FIX)
http://www.microsoft.com/technet/security/bulletin/MS04-040.mspx

Microsoft Security Bulletin MS04-040
Cumulative Security Update for Internet Explorer (889293)

Impact of Vulnerability: Remote Code Execution

Maximum Severity Rating: Critical

Recommendation: Customers should install the update immediately.

Security Update Replacement: This update replaces the update that is included with Microsoft Security Bulletin MS04-038. That update is also a cumulative update.

Caveats: Microsoft Knowledge Base Article 889293 documents the currently known issues that customers may experience when they install this security update. The article also documents recommended solutions for these issues.

Technical Description:
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HTML Elements Vulnerability - CAN-2004-1050: A remote code execution vulnerability exists in Internet Explorer that could allow remote code execution on an affected system. An attacker could exploit the vulnerability by constructing a malicious Web Page that could potentially allow remote code execution if a user visited a malicious Web site. An attacker who successfully exploited this vulnerability could take complete control of an affected system.