Index: /CKEditor/trunk/_source/plugins/selection/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 5099)
+++ /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 5100)
@@ -142,7 +142,15 @@
 								// IE before version 8 will leave cursor blinking inside the document after
 								// editor blurred unless we clean up the selection. (#4716)
-								var env = CKEDITOR.env;
-								if( env.ie && env.version < 8 )
-									editor.document.$.selection.empty();
+								if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
+								{
+									// IE stack overflows when we're doing so inside table. (#5114)   
+									var parent =
+										savedRange
+										&& savedRange.parentElement
+										&& savedRange.parentElement();
+
+									if( !( parent && parent.tagName.toLowerCase() in CKEDITOR.dtd.$tableContent ) )
+										editor.document.$.selection.empty();
+								}
 							});