Resolves vulnerabilities in Microsoft Office that could allow remote code execution if a specially crafted file is opened in an affected version of Microsoft Word or other affected Microsoft Office software. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user.

INTRODUCTION

Microsoft has released security bulletin MS14-001. To view the complete security bulletin, go to one of the following Microsoft websites:

Home users:
http://www.microsoft.com/security/pc-security/updates.aspx
Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
http://update.microsoft.com/microsoftupdate/
IT professionals:
http://technet.microsoft.com/security/bulletin/MS14-001

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help protect your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country:
International Support

More information about this security update

Prerequisites

There are no prerequisites for installing this security update.

Restart information

You may have to restart the computer after you install this security update.

In some cases, this update does not require a restart. However, if the required files are being used, this update does require a restart. If this is the case, you receive a message that prompts you to restart.

To help reduce the possibility that a restart will be required, you should stop all affected services and close all applications that may use the affected files before you install the security update. For more information about why you may be prompted to restart, see the following Microsoft Knowledge Base article:

887012 Why you may be prompted to restart your computer after you install a security update on a Windows-based computer

Security update replacement information

This security update does not replace a previously released security update.

Removal information

To remove this security update, use the Add or Remove Programs item or the Programs and Features item in Control Panel.

File information

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported 32-bit editions of Microsoft Word 2013

File name	File version	File size	Date	Time
Msword.olb	15.0.4420.1017	924,792	05-Dec-2013	12:43
Pdfreflow.exe	15.0.4551.1505	9,554,608	05-Dec-2013	12:43
Winword.exe	15.0.4551.1509	1,922,720	05-Dec-2013	12:43
Winword.veman.xml	Not applicable	245	05-Dec-2013	12:43
Wordicon.exe	15.0.4551.1501	3,015,336	05-Dec-2013	12:42
Wordcnv.dll	15.0.4551.1509	6,312,608	05-Dec-2013	12:42
Wordcnv.exe	15.0.4454.1000	22,096	05-Dec-2013	12:42
Wordcnvpxy.cnv	15.0.4454.1000	25,168	05-Dec-2013	12:42
Wwlib.dll	15.0.4551.1509	21,650,080	05-Dec-2013	12:43

For all supported 64-bit editions of Microsoft Word 2013

File name	File version	File size	Date	Time
Msword.olb	15.0.4420.1017	925,288	05-Dec-2013	12:43
Pdfreflow.exe	15.0.4551.1505	13,949,104	05-Dec-2013	12:43
Winword.exe	15.0.4551.1509	1,924,768	05-Dec-2013	12:43
Winword.veman.xml	Not applicable	245	05-Dec-2013	12:43
Wordicon.exe	15.0.4551.1501	3,015,336	05-Dec-2013	12:42
Wordcnv.dll	15.0.4551.1509	8,292,000	05-Dec-2013	12:42
Wordcnv.exe	15.0.4454.1000	26,192	05-Dec-2013	12:42
Wordcnvpxy.cnv	15.0.4454.1000	30,784	05-Dec-2013	12:42
Wwlib.dll	15.0.4551.1509	27,691,680	05-Dec-2013	12:43

For all supported editions of Microsoft Word 2013 RT

File name	File version	File size	Date	Time
Msword.olb	15.0.4515.1000	952,328	05-Dec-2013	12:42
Oregres_wd.dll	15.0.4551.1501	28,640	05-Dec-2013	12:42
Pdfreflow.exe	15.0.4551.1505	10,960,424	05-Dec-2013	12:42
Winword.exe	15.0.4551.1509	1,975,832	05-Dec-2013	12:42
Winword.veman.xml	Not applicable	245	05-Dec-2013	12:42
Wordicon.exe	15.0.4551.1501	3,079,552	05-Dec-2013	12:42
Wordcnv.dll	15.0.4551.1509	6,014,048	05-Dec-2013	12:42
Wordcnv.exe	15.0.4515.1000	33,984	05-Dec-2013	12:42
Wordcnvpxy.cnv	15.0.4515.1000	39,248	05-Dec-2013	12:42
Wwlib.dll	15.0.4551.1509	20,349,432	05-Dec-2013	12:42

MS14-001: Description of the security update for Word 2013: January 14, 2014