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MS13-022: Vulnerability in Silverlight could allow remote code execution: March 12, 2013

Article ID: 2814124 - View products that this article applies to.

INTRODUCTION

Microsoft has released security bulletin MS13-022. To view the complete security bulletin, go to one of the following Microsoft websites:

Home users:
http://www.microsoft.com/security/pc-security/bulletins/201303.aspx
(http://www.microsoft.com/security/pc-security/bulletins/201303.aspx)
Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
http://update.microsoft.com/microsoftupdate/
(http://update.microsoft.com/microsoftupdate/)
IT professionals:
http://technet.microsoft.com/security/bulletin/MS13-022
(http://technet.microsoft.com/security/bulletin/MS13-022)

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

(http://support.microsoft.com/ph/6527)

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

(http://technet.microsoft.com/security/bb980617.aspx)

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

(http://support.microsoft.com/contactus/cu_sc_virsec_master)

Local support according to your country: International Support

(http://support.microsoft.com/common/international.aspx)

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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 name	SHA1 hash	SHA256 hash
Silverlight.dmg	FF962D8DD731070C2950ED9DC02D3842A270E113	74DF4FC3EA10E029AED29A2900C9A302D17295DD2406BB2C09E09309B5F54422
Silverlight.exe	786B5FE03D318F0F0E04EC2BC7F329E8CFC6E761	F50429DFE7FC18033DC05748FA5BB61E443DF8745BAEFE99E2806D808CA86CF5
Silverlight_Developer.dmg	55FE30D92D448127A7BE4E18398101EDEF2E7A38	53886C0B74DEE93FDE9BDC6A0103068D2DF60762C3908ED1147B912377B70ACF
Silverlight_Developer.exe	B02B7205B2BDCB6F373B232A059A6544F3F2275A	078C1DB2EABB1332DD6AE2D067229D69E88556E896354B228E4BD0E7A2383FAB
Silverlight_Developer_x64.exe	F4C3EC3E80D79BB8AF5D7E814EEC8F401EE96D1D	8D73AC81EE0AF208136EE8F4A0A9C2C4EBE3738BE08A2E41E6FD34E594F9016F
Silverlight_x64.exe	9428AC799E3DF919FCE3A67B9FA3AE91413EDE75	14A7281B9AC2B5A3F66698FCA6BAB007860BF7AB984B2E94FA0282BD176FA908

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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.