Microsoft XML Core Services Remote Code Execution Vulnerability (955218)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS08-069.
Impact
Successful exploitation could allow attacker to conduct cross domain scripting attacks and read data from another domain in IE and also execute arbitrary code by tricking a user into visiting a malicious web page. Impact Level: System
Solution
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, http://www.microsoft.com/technet/security/bulletin/ms08-069.mspx
Insight
The flaws are due to, - a memory corruption error when parsing malformed XML content. - the way MSXML handles error checks for external document type definitions (DTDs). - an error in the way MSXML handles transfer-encoding headers.
Affected
Microsoft XML Core Services 3.0/4.0/5.0/6.0 Microsoft Windows 2K Service Pack 4 and prior. Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2003 Service Pack 2 and prior. Microsoft Office 2003 & 2007. Microsoft Office Compatibility Pack for Word/Excel/PowerPoint 2007 File Formats.
References