diff --git a/core/core.services.yml b/core/core.services.yml
index c4c7593..7139cd4 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -839,6 +839,7 @@ services:
     class: Drupal\Core\EventSubscriber\ConfigImportSubscriber
     tags:
       - { name: event_subscriber }
+    arguments: ['@module_handler']
   config_snapshot_subscriber:
     class: Drupal\Core\EventSubscriber\ConfigSnapshotSubscriber
     tags:
diff --git a/core/lib/Drupal/Core/Config/Schema/Element.php b/core/lib/Drupal/Core/Config/Schema/Element.php
index c492d42..4993de8 100644
--- a/core/lib/Drupal/Core/Config/Schema/Element.php
+++ b/core/lib/Drupal/Core/Config/Schema/Element.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Core\Config\Schema;
 
+use Drupal\Core\Config\TypedConfigManagerInterface;
 use Drupal\Core\TypedData\TypedData;
 
 /**
@@ -15,6 +16,13 @@
 abstract class Element extends TypedData {
 
   /**
+   * The typed config manager.
+   *
+   * @var \Drupal\Core\Config\TypedConfigManagerInterface
+   */
+  protected $typedConfig;
+
+  /**
    * The configuration value.
    *
    * @var mixed
@@ -25,7 +33,7 @@
    * Create typed config object.
    */
   protected function parseElement($key, $data, $definition) {
-    return \Drupal::service('config.typed')->create($definition, $data, $key, $this);
+    return $this->typedConfig->create($definition, $data, $key, $this);
   }
 
   /**
@@ -34,7 +42,19 @@ protected function parseElement($key, $data, $definition) {
    * @return \Drupal\Core\TypedData\DataDefinitionInterface
    */
   protected function buildDataDefinition($definition, $value, $key) {
-    return  \Drupal::service('config.typed')->buildDataDefinition($definition, $value, $key, $this);
+    return $this->typedConfig->buildDataDefinition($definition, $value, $key, $this);
+  }
+
+  /**
+   * Sets the typed config manager on the instance.
+   *
+   * This must be called immediately after construction to enable
+   * self::parseElement() and self::buildDataDefinition() to work.
+   *
+   * @param \Drupal\Core\Config\TypedConfigManagerInterface $typed_config
+   */
+  public function setTypedConfig(TypedConfigManagerInterface $typed_config) {
+    $this->typedConfig = $typed_config;
   }
 
 }
diff --git a/core/lib/Drupal/Core/Config/TypedConfigManager.php b/core/lib/Drupal/Core/Config/TypedConfigManager.php
index fb1c198..a784364 100644
--- a/core/lib/Drupal/Core/Config/TypedConfigManager.php
+++ b/core/lib/Drupal/Core/Config/TypedConfigManager.php
@@ -10,6 +10,7 @@
 use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Config\Schema\ConfigSchemaDiscovery;
+use Drupal\Core\Config\Schema\Element;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\TypedData\TypedDataManager;
 
@@ -295,4 +296,17 @@ public function hasConfigSchema($name) {
     return is_array($definition) && ($definition['class'] != '\Drupal\Core\Config\Schema\Undefined');
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function createInstance($data_type, array $configuration = array()) {
+    $instance = parent::createInstance($data_type, $configuration);
+    // Enable elements to construct their own definitions using the typed config
+    // manager.
+    if ($instance instanceof Element) {
+      $instance->setTypedConfig($this);
+    }
+    return $instance;
+  }
+
 }
diff --git a/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
index f17d5bd..f2386c6 100644
--- a/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
@@ -7,15 +7,49 @@
 
 namespace Drupal\Core\EventSubscriber;
 
+use Drupal\Core\Cache\MemoryBackend;
 use Drupal\Core\Config\Config;
 use Drupal\Core\Config\ConfigImporterEvent;
 use Drupal\Core\Config\ConfigImportValidateEventSubscriberBase;
 use Drupal\Core\Config\ConfigNameException;
+use Drupal\Core\Config\Schema\SchemaCheckTrait;
+use Drupal\Core\Config\TypedConfigManager;
+use Drupal\Core\Config\InstallStorage;
+use Drupal\Core\Extension\ModuleHandlerInterface;
 
 /**
  * Config import subscriber for config import events.
  */
 class ConfigImportSubscriber extends ConfigImportValidateEventSubscriberBase {
+  use SchemaCheckTrait;
+
+  /**
+   * The module handler.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * @var \Drupal\Core\Config\TypedConfigManagerInterface
+   */
+  protected $typedConfig;
+
+  /**
+   * The config importer.
+   *
+   * @var \Drupal\Core\Config\ConfigImporter
+   */
+  protected $configImporter;
+
+  /**
+   * Constructs the ConfigImportSubscriber.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler.
+   */
+  public function __construct(ModuleHandlerInterface $module_handler) {
+    $this->moduleHandler = $module_handler;
+  }
 
   /**
    * Validates the configuration to be imported.
@@ -26,17 +60,78 @@ class ConfigImportSubscriber extends ConfigImportValidateEventSubscriberBase {
    * @throws \Drupal\Core\Config\ConfigNameException
    */
   public function onConfigImporterValidate(ConfigImporterEvent $event) {
+    $this->typedConfig = NULL;
+    $this->configImporter = $event->getConfigImporter();
     foreach (array('delete', 'create', 'update') as $op) {
-      foreach ($event->getConfigImporter()->getUnprocessedConfiguration($op) as $name) {
-        try {
-          Config::validateName($name);
-        }
-        catch (ConfigNameException $e) {
-          $message = $this->t('The config name @config_name is invalid.', array('@config_name' => $name));
-          $event->getConfigImporter()->logError($message);
+      foreach ($this->configImporter->getUnprocessedConfiguration($op) as $name) {
+        $this->validateName($name);
+
+        if ($op != 'delete') {
+          $this->validateSchema($name);
         }
       }
     }
   }
 
+  /**
+   * Validates configuration object names.
+   *
+   * @param $name
+   *   The configuration name.
+   */
+  protected function validateName($name) {
+    try {
+      Config::validateName($name);
+    }
+    catch (ConfigNameException $e) {
+      $message = $this->t('The config name @config_name is invalid.', array('@config_name' => $name));
+      $this->configImporter->logError($message);
+    }
+  }
+
+  /**
+   * Validates configuration data using its schema.
+   *
+   * @param $name
+   *   The configuration name.
+   * @param \Drupal\Core\Config\ConfigImporter $config_importer
+   *   The configuration importer.
+   */
+  protected function validateSchema($name) {
+    $config_data = $this->configImporter
+      ->getStorageComparer()
+      ->getSourceStorage()
+      ->read($name);
+    $errors = $this->checkConfigSchema($this->getTypedConfig(), $name, $config_data);
+    if (is_array($errors)) {
+      foreach ($errors as $key => $error) {
+        $this->configImporter->logError($this->t('Schema key @key failed with: @error', array(
+          '@key' => $key,
+          '@error' => $error
+        )));
+      }
+    }
+  }
+
+  /**
+   * Creates a typed config manager that reads all available schema.
+   *
+   * @return \Drupal\Core\Config\TypedConfigManagerInterface
+   *   The typed config manager.
+   */
+  protected function getTypedConfig () {
+    if (!isset($this->typedConfig)) {
+      // Construct a TypedConfigManager will access to all schema even if the
+      // module or theme that provides it is uninstalled.
+      $schema_storage = new InstallStorage(InstallStorage::CONFIG_SCHEMA_DIRECTORY);
+      $this->typedConfig = new TypedConfigManager(
+        $this->configImporter->getStorageComparer()->getSourceStorage(),
+        $schema_storage,
+        new MemoryBackend('ConfigImportSubscriber'),
+        $this->moduleHandler
+      );
+    }
+    return $this->typedConfig;
+  }
+
 }
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml
index 30768c0..2d97dc0 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.entity_test.field_test_import_staging.yml
@@ -6,7 +6,7 @@ entity_type: entity_test
 bundle: entity_test
 label: 'Import from staging'
 description: ''
-required: '0'
+required: false
 default_value: {  }
 default_value_callback: ''
 settings: { }
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml
index 447205d..8980f3a 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle.field_test_import_staging_2.yml
@@ -6,7 +6,7 @@ entity_type: entity_test
 bundle: test_bundle
 label: 'Test import field 2 on test bundle'
 description: ''
-required: '0'
+required: false
 default_value: {  }
 default_value_callback: ''
 settings: { }
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml
index 282fc83..0748e35 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.field.entity_test.test_bundle_2.field_test_import_staging_2.yml
@@ -6,7 +6,7 @@ entity_type: entity_test
 bundle: test_bundle_2
 label: 'Test import field 2 on test bundle 2'
 description: ''
-required: '0'
+required: false
 default_value: {  }
 default_value_callback: ''
 settings: { }
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml
index 4477f26..523a688 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging.yml
@@ -5,11 +5,11 @@ field_name: field_test_import_staging
 entity_type: entity_test
 type: text
 settings:
-  max_length: '255'
+  max_length: 255
 module: text
-locked: '0'
-cardinality: '1'
-translatable: '0'
+locked: false
+cardinality: 1
+translatable: false
 indexes:
   format:
     - format
diff --git a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml
index 5460ecc..1416dde 100644
--- a/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/staging/field.storage.entity_test.field_test_import_staging_2.yml
@@ -5,11 +5,11 @@ field_name: field_test_import_staging_2
 entity_type: entity_test
 type: text
 settings:
-  max_length: '255'
+  max_length: 255
 module: text
-locked: '0'
-cardinality: '1'
-translatable: '0'
+locked: false
+cardinality: 1
+translatable: false
 indexes:
   format:
     - format