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Microsoft Internet Explorer fails to properly interpret HTML with certain layout combinations

Vulnerability Note VU#197852

Original Release Date: 2006-11-15 | Last Revised: 2006-11-17


A vulnerability in the way Microsoft Internet Explorer interprets malformed Web pages may lead to execution of arbitrary code.


Microsoft Internet Explorer contatins a vulnerabilty that could be exploited when Internet Explorer attempts to interpret specially crafted Web pages. According to Microsoft Security Bulletin MS06-067:

When Internet Explorer handles specially crafted HTML with certain HTML layout combinations it may corrupt system memory in such a way that an attacker could execute arbitrary code.


A remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the affected user or cause a denial-of-service condition.



Microsoft has released an update to address this issue. See Microsoft Security Bulletin MS06-067 for more details.


Microsoft recommends the following workarounds to mitigate this vulnerability:

    • Read and send email in plain text format
    • Disable active scripting

Please see Microsoft Security Bulletin MS06-067 for details on these workarounds.

Vendor Information

Affected   Unknown   Unaffected

Microsoft Corporation

Updated:  November 14, 2006



Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.


Refer to Microsoft Security Bulletin MS06-067.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A



This vulnerability was reported in Microsoft Security Bulletin MS06-067. Microsoft credits Sam Thomas, working with TippingPoint and the Zero Day Initiative for reporting this issue.

This document was written by Chris Taschner.

Other Information

CVE IDs: CVE-2006-4687
Severity Metric: 27.00
Date Public: 2006-11-14
Date First Published: 2006-11-15
Date Last Updated: 2006-11-17 18:22 UTC
Document Revision: 14

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