MS12-064  Vulnerabilities in Microsoft Word Could Allow Remote Code Execution

2012-10-09 This security update resolves two privately reported vulnerabilities in Microsoft Office. The more severe vulnerability could allow remote code execution if a user opens or previews a specially crafted RTF file. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
Vulnerabilities addressed in this bulletin:

Word PAPX Section Corruption Vulnerability

A remote code execution vulnerability exists in the way that Microsoft Word handles specially crafted Word files. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
CVE-2012-0182

RTF File listid Use-After-Free Vulnerability

A remote code execution vulnerability exists in the way that Microsoft Office handles specially crafted RTF files. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
CVE-2012-2528

Bulletin details at Microsoft.com