core/modules/taxonomy/src/Entity/Term.php                 | 15 ++++++++++++++-
 .../modules/taxonomy/src/Tests/TaxonomyQueryAlterTest.php |  6 +++---
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/core/modules/taxonomy/src/Entity/Term.php b/core/modules/taxonomy/src/Entity/Term.php
index 06af409..f686eb0 100644
--- a/core/modules/taxonomy/src/Entity/Term.php
+++ b/core/modules/taxonomy/src/Entity/Term.php
@@ -255,7 +255,20 @@ public function getParents() {
       }
       $ids[] = $item->target_id;
     }
-    return $parents + static::loadMultiple($ids);
+
+    // @todo Better way to do this? AND handle the NULL/0 parent?
+    // Querying the terms again so that the same access checks are run when
+    // getParents() is called as in Drupal version prior to 8.3.
+    $loaded_parents = [];
+
+    if ($ids) {
+      $query = \Drupal::entityQuery('taxonomy_term')
+        ->condition('tid', $ids, 'IN');
+
+      $loaded_parents = static::loadMultiple($query->execute());
+    }
+
+    return $parents + $loaded_parents;
   }
 
   /**
diff --git a/core/modules/taxonomy/src/Tests/TaxonomyQueryAlterTest.php b/core/modules/taxonomy/src/Tests/TaxonomyQueryAlterTest.php
index 543910b..0788bef 100644
--- a/core/modules/taxonomy/src/Tests/TaxonomyQueryAlterTest.php
+++ b/core/modules/taxonomy/src/Tests/TaxonomyQueryAlterTest.php
@@ -32,7 +32,7 @@ public function testTaxonomyQueryAlter() {
     }
 
     // Set up hierarchy. Term 2 is a child of 1.
-    $terms[2]->parent = $terms[1]->id();
+    $terms[2]->parent->setValue($terms[1]->id());
     $terms[2]->save();
 
     $term_storage = \Drupal::entityManager()->getStorage('taxonomy_term');
@@ -50,12 +50,12 @@ public function testTaxonomyQueryAlter() {
     $this->setupQueryTagTestHooks();
     $loaded_terms = $term_storage->loadParents($terms[2]->id());
     $this->assertEqual(count($loaded_terms), 1, 'All parent terms were loaded');
-    $this->assertQueryTagTestResult(2, 1, 'TermStorage::loadParents()');
+    $this->assertQueryTagTestResult(3, 1, 'TermStorage::loadParents()');
 
     $this->setupQueryTagTestHooks();
     $loaded_terms = $term_storage->loadChildren($terms[1]->id());
     $this->assertEqual(count($loaded_terms), 1, 'All child terms were loaded');
-    $this->assertQueryTagTestResult(2, 1, 'TermStorage::loadChildren()');
+    $this->assertQueryTagTestResult(3, 1, 'TermStorage::loadChildren()');
 
     $this->setupQueryTagTestHooks();
     $query = db_select('taxonomy_term_data', 't');