This security update resolves vulnerabilities in Microsoft Office server and productivity software that could allow remote code execution if an authenticated attacker sends specially crafted page content to a target Microsoft SharePoint server.
Microsoft has released security bulletin MS14-022. To learn more about this security bulletin:
If you are running Microsoft SharePoint Foundation 2013, you must also install update 2880963.
After you install this security update on all SharePoint servers, you have to run the PSconfig tool to complete the installation.
Prerequisites to apply this security update
To install this security update, you must have Microsoft SharePoint Foundation 2013 installed on the computer.
You may have to restart the computer after you install this security update.
In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart the computer.
To help reduce the possibility that a restart will be required, stop all affected services and close all applications that may use the affected files before you install this security update.