The vulnerabilities patched in the latest Office for Mac are described as follows: Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights,” notes Microsoft’s security bulletin (MS15-081). An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file.

“This security update resolves vulnerabilities in Microsoft Office. The Office for Mac 2011 14.5.4 update applies to the following Microsoft software: Office 2011, Office 2011 Home and Business Edition, Word 2011, Excel 2011, PowerPoint 2011, Outlook 2011, Office for Mac Standard 2011 Edition, Microsoft Office for Mac Home & Student 2011, and Microsoft Office for Mac Academic 2011. These updates patch a combined 4 security bugs, including three memory corruption flaws and an integer underflow vulnerability. Microsoft has released Office 2011 14.5.4 for Mac OS X version 10.5.8 or later, patching critical vulnerabilities in its software. Security News Microsoft Office for Mac 2011 14.5.4 Update Patches Multiple Security Flaws

Ms office mac 2011 upgrade