Article ID: 2880453 - View products that this article applies to.
This update resolves vulnerabilities in Microsoft Office Web Apps Server 2013 that could allow remote code execution if an authenticated attacker sends specially crafted page content to a target SharePoint Server.
Microsoft has released security bulletin MS14-022. Learn more about how to obtain the fixes that are included in this security bulletin:
How to obtain help and support for this security updateHelp installing updates: Support for Microsoft Update
Security solutions for IT professionals: TechNet Security Troubleshooting and Support
Help protect your computer that is running Windows from viruses and malware: Virus Solution and Security Center
Local support according to your country: International Support
Prerequisites to apply this security updateTo install this security update for Office Web Apps Server 2013 Service Pack 1, you must first install the following update:
(http://support.microsoft.com/kb/2949660)MS14-017: Vulnerabilities in Microsoft Word and Office Web Apps could allow remote code execution: April 8, 2014
Restart informationYou 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.
Learn about why you may be prompted to restart your computer
(https://support.microsoft.com/kb/887012/ )after you install a security update on a Windows-based computer.
Security update replacement informationThis security update replaces the following update:
(http://support.microsoft.com/kb/2878219)MS14-017: Description of the security update for Office Web Apps Server 2013: April 8, 2014
Removal informationNote We do not recommend that you remove any security update.
To remove this security update, use the Add or Remove Programs item or use the Programs and Features item in Control Panel.
Note When you remove this security update, you may be prompted to insert the disc that contains Microsoft Office. Additionally, you may not have the option to uninstall this security update from the Add or Remove Programs item or the Programs and Features item in Control Panel. There are several possible causes for this issue.
Learn about the ability to uninstall Office updates
Security update replacement informationThis security update replaces security update 2878219
File informationFor a list of the files that are provided in this update 2880453, see the following:
File information for Microsoft Office Web Apps Server.CSV
Article ID: 2880453 - Last Review: May 13, 2014 - Revision: 1.0