Introduction

Microsoft has released security bulletin MS13-023. To view the complete security bulletin, go to one of the following Microsoft websites:

How to obtain help and support for this security update

Help installing updates: Support for Microsoft UpdateSecurity solutions for IT professionals: TechNet Security Troubleshooting and SupportHelp protect your computer that is running Windows from viruses and malware: Virus Solution and Security CenterLocal support according to your country: International Support

More information about this security update

Prerequisites to apply this security update

To apply this security update, you must have Service Pack 1 for Microsoft Visio 2010 Viewer installed on the computer.For more information about how to obtain the service pack, click the following article number to view the article in the Microsoft Knowledge Base:

2460065 Description of Visio 2010 Viewer SP1Additionally, this security update requires that Windows Installer 3.1 or a later version be installed. For more information about how to install Windows Installer 3.1 or a later version, go to one of the following Microsoft websites:

Windows Installer 4.5 Redistributable for Windows Server 2008, Windows Vista, Windows Server 2003, and Windows XP Windows Installer 3.1 Redistributable for Windows Server 2003, Windows XP, and Microsoft Windows 2000

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. 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. For more information about the reasons why you may be prompted to restart, click the following article number to view the article in the Microsoft Knowledge Base:

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

Removal information

Note 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 Visio 2010 Viewer. 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. For more information about the removal, click the following article number to view the article in the Microsoft Knowledge Base:

903771 Information about the ability to uninstall Office updates

Security update replacement information

This security update replaces the following security update:

2598287 MS12-059: Description of the security update for Visio 2010 Viewer: August 14, 2010

File information

The English 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.

File name

File version

File size

Date

Time

Saext.dll_0001

14.0.4730.1010

290,176

10-Jan-2010

12:12

Seqchk10.dll

14.0.4730.1010

68,480

10-Jan-2010

12:46

Vpreview.exe

14.0.6116.5000

581,440

19-Jan-2012

03:55

Vviewdwg.dll.x86

14.0.6121.5000

5,795,440

26-Apr-2012

04:17

Vviewer.dll.x86

14.0.6131.5002

4,185,168

07-Dec-2012

09:46

File name

File version

File size

Date

Time

Saext.dll_0001

14.0.4730.1010

300,416

10-Jan-2010

12:21

Seqchk10.dll

14.0.4730.1010

87,936

10-Jan-2010

12:45

Vpreview.exe

14.0.6116.5000

732,480

19-Jan-2012

04:03

Vviewdwg.dll.x64

14.0.6121.5000

9,261,680

27-Apr-2012

05:01

Vviewdwg.dll.x86

14.0.6121.5000

5,795,440

26-Apr-2012

04:17

Vviewer.dll.x64

14.0.6131.5002

5,605,456

07-Dec-2012

09:47

Vviewer.dll.x86

14.0.6131.5002

4,185,168

07-Dec-2012

09:46

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