Note: The Internet Explorer 11 desktop application will be retired and go out of support on June 15, 2022 (for a list of what's in scope, see the FAQ). The same IE11 apps and sites you use today can open in Microsoft Edge with Internet Explorer mode. Learn more here.

Symptoms

Assume that you use Windows Internet Explorer 11 to go to a webpage. If the webpage uses web workers, and XMLHttpRequest objects are used in the web workers, Internet Explorer 11 may crash.

Cause

This issue occurs because an internal cleanup in the thread for a web worker occurs too early. Therefore, an access violation can occur when the results of the XMLHttpRequest object are returned.

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.aspxNote This update was first included in security update 2898785.

For more information about security update 2898785, click the following article number to view the article in the Microsoft Knowledge Base:

2898785 MS13-097: Cumulative security update for Internet Explorer: December 10, 2013

Status

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

References

See the terminology Microsoft uses to describe software updates.

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