Ticket #8719: 8719.patch

_source/plugins/button/plugin.js

@@ -89 +89 @@
                         },
                         execute : function()
                         {
+        // IE needs focus sent back to the parent document if a dialog is launched
+        if ( CKEDITOR.env.ie )
+          document.body.focus();
+
                                 // IE 6 needs some time before execution (#7922)
                                 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 )
                                         CKEDITOR.tools.setTimeout( function(){ this.button.click( editor ); }, 0, this );