diff --git a/vendor/magento/module-inventory-bundle-product-indexer/Indexer/InventoryStockStatusQueryProcessor.php b/vendor/magento/module-inventory-bundle-product-indexer/Indexer/InventoryStockStatusQueryProcessor.php
new file mode 100644
index 000000000000..2048cf03d7de
--- /dev/null
+++ b/vendor/magento/module-inventory-bundle-product-indexer/Indexer/InventoryStockStatusQueryProcessor.php
@@ -0,0 +1,281 @@
+<?php
+/**
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventoryBundleProductIndexer\Indexer;
+
+use Magento\Bundle\Model\ResourceModel\Indexer\StockStatusQueryProcessorInterface;
+use Magento\Catalog\Api\Data\ProductInterface;
+use Magento\Catalog\Model\Product;
+use Magento\Eav\Model\Config;
+use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\DB\Select;
+use Magento\Framework\EntityManager\MetadataPool;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\InventoryIndexer\Model\StockIndexTableNameResolverInterface;
+use Zend_Db_Expr;
+use Magento\CatalogInventory\Model\Stock;
+use Magento\InventoryCatalogApi\Api\DefaultStockProviderInterface;
+
+class InventoryStockStatusQueryProcessor implements StockStatusQueryProcessorInterface
+{
+    /**
+     * @param ResourceConnection $resource
+     * @param StockIndexTableNameResolverInterface $stockTableResolver
+     * @param Config $eavConfig
+     * @param MetadataPool $metadataPool
+     * @param DefaultStockProviderInterface $defaultStockProvider
+     */
+    public function __construct(
+        private readonly ResourceConnection $resource,
+        private readonly StockIndexTableNameResolverInterface $stockTableResolver,
+        private readonly Config $eavConfig,
+        private readonly MetadataPool $metadataPool,
+        private readonly DefaultStockProviderInterface $defaultStockProvider
+    ) {
+    }
+
+    /**
+     * Apply stock status filter to the Select
+     *
+     * @param Select $select
+     * @return Select
+     * @throws \Zend_Db_Select_Exception|LocalizedException
+     */
+    public function execute(Select $select): Select
+    {
+        $select->joinInner(
+            ['stock' => $this->buildInventorySelect()],
+            'stock.product_id = bs.product_id',
+            []
+        );
+        $select->where('stock_status = ?', Stock::STOCK_IN_STOCK);
+
+        return $select;
+    }
+
+    /**
+     * Build a Select that combines:
+     * - cataloginventory_stock_status (legacy/default stock)
+     * - MSI inventory stock indexes (inventory_stock_<stock_id>) for all non-default stocks
+     *
+     * Output columns:
+     *  product_id, website_id, stock_id, qty, stock_status
+     *
+     * @return Select
+     * @throws \Zend_Db_Select_Exception
+     * @throws LocalizedException
+     */
+    private function buildInventorySelect(): Select
+    {
+        $statusAttributeId = (int)$this->eavConfig->getAttribute(
+            Product::ENTITY,
+            ProductInterface::STATUS
+        )->getId();
+
+        $legacyTable = $this->resource->getTableName('cataloginventory_stock_status');
+        $interestingProductIds = $this->generateProductIds($statusAttributeId);
+
+        $conn = $this->resource->getConnection();
+        $legacySelect = $conn->select()
+            ->from(['l' => $legacyTable], [
+                'product_id',
+                'website_id',
+                'stock_id',
+                'qty',
+                'stock_status',
+            ])
+            ->joinInner(
+                ['ip' => $interestingProductIds],
+                'ip.product_id = l.product_id',
+                []
+            );
+
+        $msiParts = $this->addWebsiteStocks($interestingProductIds);
+        if (!$msiParts) {
+            return $legacySelect;
+        }
+
+        $msiUnion = $conn->select()->union($msiParts, Select::SQL_UNION_ALL);
+        $combined = $conn->select()->union([$legacySelect, $msiUnion], Select::SQL_UNION_ALL);
+
+        return $conn->select()
+            ->from(['stock_all' => $combined], [
+                'product_id',
+                'website_id',
+                'stock_id',
+                'qty' => new Zend_Db_Expr('MAX(stock_all.qty)'),
+                'stock_status' => new Zend_Db_Expr('MAX(stock_all.stock_status)'),
+            ])
+            ->group(['product_id', 'website_id', 'stock_id']);
+    }
+
+    /**
+     * Generate Select parts for each non-default stock/website
+     *
+     * @param Select $interestingProductIds
+     * @return array
+     */
+    private function addWebsiteStocks(Select $interestingProductIds): array
+    {
+        $cisiTable = $this->resource->getTableName('cataloginventory_stock_item');
+        $cpeTable = $this->resource->getTableName('catalog_product_entity');
+        $conn = $this->resource->getConnection();
+        $msiParts = [];
+
+        $stockWebsiteRows = $conn->fetchAll(
+            $conn->select()
+                ->from(['s' => $this->resource->getTableName('inventory_stock')], ['stock_id' => 's.stock_id'])
+                ->join(
+                    ['sc' => $this->resource->getTableName('inventory_stock_sales_channel')],
+                    'sc.stock_id = s.stock_id AND sc.type = "website"',
+                    []
+                )
+                ->join(
+                    ['w' => $this->resource->getTableName('store_website')],
+                    'w.code = sc.code',
+                    ['website_id' => 'w.website_id']
+                )
+        );
+
+        foreach ($stockWebsiteRows as $row) {
+            $stockId = (int)$row['stock_id'];
+            $websiteId = (int)$row['website_id'];
+
+            if ($stockId === $this->defaultStockProvider->getId()) {
+                continue;
+            }
+
+            $msiIndexTable = $this->resource->getTableName(
+                $this->stockTableResolver->execute($stockId)
+            );
+
+            $cols = $conn->describeTable($msiIndexTable);
+            if (!isset($cols['is_salable'])) {
+                continue;
+            }
+
+            $qtyExpr = new Zend_Db_Expr('msi.quantity');
+            $statusExpr = new Zend_Db_Expr(
+                "IF(cisi.use_config_manage_stock = 0 AND cisi.manage_stock = 0, 1, IFNULL(msi.is_salable, 0))"
+            );
+
+            if (isset($cols['product_id'])) {
+                $sel = $conn->select()
+                    ->from(['msi' => $msiIndexTable], [])
+                    ->joinInner(
+                        ['ip' => $interestingProductIds],
+                        'ip.product_id = msi.product_id',
+                        []
+                    )
+                    ->joinLeft(
+                        ['cisi' => $cisiTable],
+                        'cisi.product_id = msi.product_id AND cisi.stock_id = 1',
+                        []
+                    )
+                    ->columns([
+                        'product_id' => 'msi.product_id',
+                        'website_id' => new Zend_Db_Expr((string)$websiteId),
+                        'stock_id' => new Zend_Db_Expr((string)$stockId),
+                        'qty' => $qtyExpr,
+                        'stock_status' => $statusExpr,
+                    ]);
+
+                $msiParts[] = $sel;
+            } elseif (isset($cols['sku'])) {
+                $sel = $conn->select()
+                    ->from(['msi' => $msiIndexTable], [])
+                    ->joinInner(['e' => $cpeTable], 'e.sku = msi.sku', [])
+                    ->joinInner(
+                        ['ip' => $interestingProductIds],
+                        'ip.product_id = e.entity_id',
+                        []
+                    )
+                    ->joinLeft(
+                        ['cisi' => $cisiTable],
+                        'cisi.product_id = e.entity_id AND cisi.stock_id = 1',
+                        []
+                    )
+                    ->columns([
+                        'product_id' => 'e.entity_id',
+                        'website_id' => new Zend_Db_Expr((string)$websiteId),
+                        'stock_id' => new Zend_Db_Expr((string)$stockId),
+                        'qty' => $qtyExpr,
+                        'stock_status' => $statusExpr,
+                    ]);
+
+                $msiParts[] = $sel;
+            }
+        }
+
+        return $msiParts;
+    }
+
+    /**
+     * Generate products of interest: enabled bundle parents and their enabled selection children
+     *
+     * @param int $statusAttributeId
+     * @return Select
+     * @throws \Zend_Db_Select_Exception
+     */
+    private function generateProductIds(int $statusAttributeId): Select
+    {
+        $conn = $this->resource->getConnection();
+        $cpeiTable = $this->resource->getTableName('catalog_product_entity_int');
+        $cpeTable = $this->resource->getTableName('catalog_product_entity');
+        $bundleSelTable = $this->resource->getTableName('catalog_product_bundle_selection');
+        $bundleOptTable = $this->resource->getTableName('catalog_product_bundle_option');
+
+        $metadata = $this->metadataPool->getMetadata(ProductInterface::class);
+        $linkField = $metadata->getLinkField();
+
+        /**
+         * - bundle parents (enabled)
+         * - selection children (enabled) that belong to enabled bundle parents
+         */
+        $bundleParents = $conn->select()
+            ->from(['p' => $cpeTable], ['product_id' => 'p.entity_id'])
+            ->joinInner(
+                ['p_status' => $cpeiTable],
+                'p_status.' . $linkField . ' = p.' . $linkField
+                . ' AND p_status.attribute_id = ' . $statusAttributeId
+                . ' AND p_status.value = 1',
+                []
+            )
+            ->where('p.type_id = ?', 'bundle');
+
+        $selectionChildren = $conn->select()
+            ->from(['p' => $cpeTable], ['product_id' => 'c.entity_id'])
+            ->joinInner(
+                ['p_status' => $cpeiTable],
+                'p_status.' . $linkField . ' = p.' . $linkField
+                . ' AND p_status.attribute_id = ' . $statusAttributeId
+                . ' AND p_status.value = 1',
+                []
+            )
+            ->joinInner(
+                ['bo' => $bundleOptTable],
+                'bo.parent_id = p.' . $linkField,
+                []
+            )
+            ->joinInner(
+                ['bs' => $bundleSelTable],
+                'bs.option_id = bo.option_id AND bs.parent_product_id = p.' . $linkField,
+                []
+            )
+            ->joinInner(['c' => $cpeTable], 'c.entity_id = bs.product_id', [])
+            ->joinInner(
+                ['c_status' => $cpeiTable],
+                'c_status.' . $linkField . ' = c.' . $linkField
+                . ' AND c_status.attribute_id = ' . $statusAttributeId
+                . ' AND c_status.value = 1',
+                []
+            )
+            ->where('p.type_id = ?', 'bundle');
+
+        return $conn->select()->union([$bundleParents, $selectionChildren], Select::SQL_UNION_ALL);
+    }
+}
diff --git a/vendor/magento/module-inventory-bundle-product-indexer/etc/di.xml b/vendor/magento/module-inventory-bundle-product-indexer/etc/di.xml
index b291ddad6c27..1d52ba7a839f 100644
--- a/vendor/magento/module-inventory-bundle-product-indexer/etc/di.xml
+++ b/vendor/magento/module-inventory-bundle-product-indexer/etc/di.xml
@@ -6,6 +6,7 @@
  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <preference for="Magento\Bundle\Model\ResourceModel\Indexer\StockStatusQueryProcessorInterface" type="Magento\InventoryBundleProductIndexer\Indexer\InventoryStockStatusQueryProcessor" />
     <type name="Magento\InventoryIndexer\Indexer\Stock\Strategy\Sync">
         <plugin name="bundle_product_index_full" type="Magento\InventoryBundleProductIndexer\Plugin\InventoryIndexer\Indexer\Stock\Strategy\Sync\ReindexFullPlugin"/>
         <plugin name="bundle_product_index_list" type="Magento\InventoryBundleProductIndexer\Plugin\InventoryIndexer\Indexer\Stock\Strategy\Sync\ReindexListPlugin"/>