Additionally, this update includes fixes for vulnerabilities that an attacker can use to overwrite the contents of a computer's memory by using malicious code. The Office 2008 for Mac 12.1.3 Update contains several changes that improve security, stability, reliability, and performance. To view the complete security bulletin, visit the following Microsoft Web site: This security bulletin contains all the relevant information about the security updates for Microsoft Office 2008 for Mac. Microsoft has released security bulletin MS08-057. Description of the Microsoft Office 2008 for Mac 12.1.3 Update INTRODUCTION