Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 7217)
+++ /CKEditor/trunk/CHANGES.html	(revision 7218)
@@ -66,4 +66,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/7908">#7908</a> : [IE] Unlink command is sometimes missing from the context menu of a link.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/8159">#8159</a> : Editor fails to load if the browser has no default language set.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/7490">#7490</a> : [IE] Block format leaks to the next unselected line in BR enter mode.</li>
 		<li>Updated the following language files:<ul>
 			<li><a href="http://dev.ckeditor.com/ticket/8128">#8128</a> : Italian;</li>
Index: /CKEditor/trunk/_source/core/dom/range.js
===================================================================
--- /CKEditor/trunk/_source/core/dom/range.js	(revision 7217)
+++ /CKEditor/trunk/_source/core/dom/range.js	(revision 7218)
@@ -1321,4 +1321,20 @@
 								CKEDITOR.POSITION_AFTER_END );
 
+					// Avoid enlarging the range further when end boundary spans right after the BR. (#7490)
+					if ( unit == CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS )
+					{
+						var theRange = this.clone();
+						walker = new CKEDITOR.dom.walker( theRange );
+
+						var whitespaces = CKEDITOR.dom.walker.whitespaces(),
+							bookmark = CKEDITOR.dom.walker.bookmark();
+
+						walker.evaluator = function( node ) { return !whitespaces( node ) && !bookmark( node ); };
+						var previous = walker.previous();
+						if ( previous && previous.type == CKEDITOR.NODE_ELEMENT && previous.is( 'br' ) )
+							return;
+					}
+
+
 					// Enlarging the end boundary.
 					walkerRange = this.clone();