Microsoft has released Office for Mac 2011 version 14.4.5 patch update. This free 113MB patch includes critical bug fixes and security improvements and can be downloaded from Microsoft’s website.
According to Microsoft;
This update fixes critical issues and also helps to improve security. It includes fixes for vulnerabilities that an attacker can use to overwrite the contents of your computer’s memory with malicious code.
For those who use Office for Mac, it is recommended for you to update to the current version as soon as possible.