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Article ID: 2814124 - Last Review: April 3, 2013 - Revision: 2.0

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Microsoft has released security bulletin MS13-022. 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 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

Known issues with this security update

  • The detection and installation logic for this update does not verify compatibility of Microsoft Silverlight for the version of Internet Explorer that is installed on the system. For example, the update could be offered to a system that has Silverlight 4 for Windows XP running in Internet Explorer 6. After the update is successfully installed, Silverlight 4 will be upgraded to Silverlight 5 (version 5.1.20125.0). However, Silverlight 5 is incompatible with Internet Explorer 6. 

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File hash information

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File nameSHA1 hashSHA256 hash
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The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

For all supported x86-based systems

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File nameFile versionFile sizeDateTimePlatform
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For all supported x64-based systems

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File nameFile versionFile sizeDateTimePlatform
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Applies to
  • Microsoft Silverlight 5
atdownload kbbug kbexpertiseinter kbfix kbsecbulletin kbsecurity kbsecvulnerability KB2814124
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