diff --git a/wp-includes/class-wp-exception.php b/wp-includes/class-wp-exception.php
new file mode 100644
index 0000000000..2ae22398be
--- /dev/null
+++ b/wp-includes/class-wp-exception.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * WP_Exception class
+ *
+ * @package WordPress
+ * @since 6.7.0
+ */
+
+/**
+ * Core base Exception class.
+ *
+ * Future, more specific, Exceptions should always extend this base class.
+ *
+ * @since 6.7.0
+ */
+class WP_Exception extends Exception {}
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 67544bc889..e1707abb30 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -6092,6 +6092,10 @@ function wp_trigger_error( $function_name, $message, $error_level = E_USER_NOTIC
 		array( 'http', 'https' )
 	);
 
+	if ( E_USER_ERROR === $error_level ) {
+		throw new WP_Exception( $message );
+	}
+
 	trigger_error( $message, $error_level );
 }
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 0c86cc481b..6a80ec0dca 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-59106';
+$wp_version = '6.7-alpha-59107';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-settings.php b/wp-settings.php
index 4643892ada..b4cebee435 100644
--- a/wp-settings.php
+++ b/wp-settings.php
@@ -39,6 +39,7 @@ wp_check_php_mysql_versions();
 
 // Include files required for initialization.
 require ABSPATH . WPINC . '/class-wp-paused-extensions-storage.php';
+require ABSPATH . WPINC . '/class-wp-exception.php';
 require ABSPATH . WPINC . '/class-wp-fatal-error-handler.php';
 require ABSPATH . WPINC . '/class-wp-recovery-mode-cookie-service.php';
 require ABSPATH . WPINC . '/class-wp-recovery-mode-key-service.php';