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webbrowser-security.md

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title description ms.date helpviewer_keywords ms.assetid
WebBrowser Security
Learn about WebBrowser Security, which is designed to work in full trust only. HTML in the control can come from external Web servers.
03/30/2017
WebBrowser control [Windows Forms], security
security [Windows Forms], WebBrowser control
0968846e-48ee-485a-9797-65b5b9a622f8

WebBrowser Security

The xref:System.Windows.Forms.WebBrowser control is designed to work in full trust only. The HTML content displayed in the control can come from external Web servers and may contain unmanaged code in the form of scripts or Web controls. If you use the xref:System.Windows.Forms.WebBrowser control in this situation, the control is no less secure than Internet Explorer would be, but the managed xref:System.Windows.Forms.WebBrowser control does not prevent such unmanaged code from running.

For more information about security issues relating to the underlying ActiveX WebBrowser control, see WebBrowser Control.

See also