diff --git a/includes/admin/reports/class-wc-report-stock.php b/includes/admin/reports/class-wc-report-stock.php
index 9778538a02e..46bcc9f7f51 100644
--- a/includes/admin/reports/class-wc-report-stock.php
+++ b/includes/admin/reports/class-wc-report-stock.php
@@ -80,6 +80,10 @@ class WC_Report_Stock extends WP_List_Table {
 			$product = wc_get_product( $item->id );
 		}
 
+		if ( ! $product ) {
+			return;
+		}
+
 		switch ( $column_name ) {
 
 			case 'product' :
diff --git a/includes/api/legacy/v1/class-wc-api-products.php b/includes/api/legacy/v1/class-wc-api-products.php
index afaf0e58cae..c8cc9813fe4 100644
--- a/includes/api/legacy/v1/class-wc-api-products.php
+++ b/includes/api/legacy/v1/class-wc-api-products.php
@@ -345,7 +345,7 @@ class WC_API_Products extends WC_API_Resource {
 		foreach ( $product->get_children() as $child_id ) {
 			$variation = wc_get_product( $child_id );
 
-			if ( ! $variation->exists() ) {
+			if ( ! $variation || ! $variation->exists() ) {
 				continue;
 			}
 
diff --git a/includes/api/legacy/v2/class-wc-api-products.php b/includes/api/legacy/v2/class-wc-api-products.php
index 2c565e815a0..ca27e67f376 100644
--- a/includes/api/legacy/v2/class-wc-api-products.php
+++ b/includes/api/legacy/v2/class-wc-api-products.php
@@ -767,7 +767,7 @@ class WC_API_Products extends WC_API_Resource {
 
 			$variation = wc_get_product( $child_id );
 
-			if ( ! $variation->exists() ) {
+			if ( ! $variation || ! $variation->exists() ) {
 				continue;
 			}
 
diff --git a/includes/api/legacy/v3/class-wc-api-products.php b/includes/api/legacy/v3/class-wc-api-products.php
index a2bbcf6bbbd..cc27943e094 100644
--- a/includes/api/legacy/v3/class-wc-api-products.php
+++ b/includes/api/legacy/v3/class-wc-api-products.php
@@ -1225,7 +1225,7 @@ class WC_API_Products extends WC_API_Resource {
 		foreach ( $product->get_children() as $child_id ) {
 			$variation = wc_get_product( $child_id );
 
-			if ( ! $variation->exists() ) {
+			if ( ! $variation || ! $variation->exists() ) {
 				continue;
 			}
 
diff --git a/includes/api/v1/class-wc-rest-products-controller.php b/includes/api/v1/class-wc-rest-products-controller.php
index 41d73585568..26d907fd6c3 100644
--- a/includes/api/v1/class-wc-rest-products-controller.php
+++ b/includes/api/v1/class-wc-rest-products-controller.php
@@ -540,7 +540,7 @@ class WC_REST_Products_V1_Controller extends WC_REST_Posts_Controller {
 
 		foreach ( $product->get_children() as $child_id ) {
 			$variation = wc_get_product( $child_id );
-			if ( ! $variation->exists() ) {
+			if ( ! $variation || ! $variation->exists() ) {
 				continue;
 			}
 
diff --git a/includes/class-wc-product-variable.php b/includes/class-wc-product-variable.php
index ad51eba0a8f..742e2061461 100644
--- a/includes/class-wc-product-variable.php
+++ b/includes/class-wc-product-variable.php
@@ -244,7 +244,7 @@ class WC_Product_Variable extends WC_Product {
 			$variation = wc_get_product( $child_id );
 
 			// Hide out of stock variations if 'Hide out of stock items from the catalog' is checked
-			if ( ! $variation->exists() || ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && ! $variation->is_in_stock() ) ) {
+			if ( ! $variation || ! $variation->exists() || ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && ! $variation->is_in_stock() ) ) {
 				continue;
 			}