diff --git a/lib/classes/useragent.php b/lib/classes/useragent.php
index 971d1388ee1..7b92d231768 100644
--- a/lib/classes/useragent.php
+++ b/lib/classes/useragent.php
@@ -499,6 +499,9 @@ class core_useragent {
         // See: http://www.useragentstring.com/pages/Internet%20Explorer/.
         if (preg_match("/MSIE ([0-9\.]+)/", $useragent, $match)) {
             $browser = $match[1];
+        // See: http://msdn.microsoft.com/en-us/library/ie/bg182625%28v=vs.85%29.aspx for IE11+ useragent details.
+        } else if (preg_match("/Trident\/[0-9\.]+/", $useragent) && preg_match("/rv:([0-9\.]+)/", $useragent, $match)) {
+            $browser = $match[1];
         } else {
             return false;
         }
diff --git a/lib/tests/useragent_test.php b/lib/tests/useragent_test.php
index 7d74dd9d1da..87063f0c349 100644
--- a/lib/tests/useragent_test.php
+++ b/lib/tests/useragent_test.php
@@ -64,6 +64,9 @@ class core_useragent_testcase extends basic_testcase {
             '10.0i' => array(
                 'Windows 8' => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.2; Trident/6.0; Touch; .NET4.0E; .NET4.0C; Tablet PC 2.0)'
             ),
+            '11.0' => array(
+                'Windows 8.1' => 'Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0)'
+            ),
         ),
         'Firefox' => array(
             '1.0.6' => array(
@@ -258,6 +261,16 @@ class core_useragent_testcase extends basic_testcase {
         $this->assertTrue(core_useragent::check_ie_version('10'));
         $this->assertFalse(core_useragent::check_ie_version('11'));
 
+        core_useragent::instance(true, $this->user_agents['MSIE']['11.0']['Windows 8.1']);
+        $this->assertTrue(core_useragent::is_ie());
+        $this->assertTrue(core_useragent::check_ie_version());
+        $this->assertTrue(core_useragent::check_ie_version(0));
+        $this->assertTrue(core_useragent::check_ie_version('5.0'));
+        $this->assertTrue(core_useragent::check_ie_version('9.0'));
+        $this->assertTrue(core_useragent::check_ie_version('10'));
+        $this->assertTrue(core_useragent::check_ie_version('11'));
+        $this->assertFalse(core_useragent::check_ie_version('12'));
+
         core_useragent::instance(true, $this->user_agents['Firefox']['2.0']['Windows XP']);
         $this->assertTrue(core_useragent::is_firefox());
         $this->assertTrue(core_useragent::check_firefox_version());