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SessionStorage is shared incorrectly and Internet Explorer 11 becomes slow when you create WebBrowser controls

View products that this article applies to.

Symptoms

Consider the following scenario:

  • You use an application that creates WebBrowser controls. 
  • The application uses a SessionStorage object to store sessions in Internet Explorer 11.
In this scenario, you encounter the following issues:

  • When the application creates a control in a separate thread (such as create a new tab), the data of the SessionStorage object is shared incorrectly.

    Note This issue also occurs when the application creates a control on a same thread. See article KB3012780 for more information.
  • When the application creates controls repeatedly, the performance of Internet Explorer becomes slow.

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Resolution

Update information

To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update.

For technical information about the most recent cumulative security update for Internet Explorer, go to the following Microsoft website:
http://www.microsoft.com/technet/security/current.aspx
Note This update was first included in security update 2975687.

For more information about security update 2975687 , click the following article number to view the article in the Microsoft Knowledge Base:

2975687  MS14-037: Cumulative security update for Internet Explorer: July 8, 2014

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

See the terminology that Microsoft uses to describe software updates.

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Keywords: kbfix, kbqfe, kbsurveynew, kbexpertiseadvanced, kb

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Article Info
Article ID : 2980020
Revision : 1
Created on : 1/7/2017
Published on : 11/12/2014
Exists online : False
Views : 303