diff --git a/onnxruntime/core/session/utils.cc b/onnxruntime/core/session/utils.cc
index a354cf26368d4..6ef7370d2b322 100644
--- a/onnxruntime/core/session/utils.cc
+++ b/onnxruntime/core/session/utils.cc
@@ -423,11 +423,24 @@ OrtStatus* InitializeSession(_In_ const OrtSessionOptions* options,
 
   if (has_provider_factories) {
     std::vector<std::unique_ptr<IExecutionProvider>> provider_list;
+	
+    // Create OrtSessionOptions wrapper for the CreateProvider call.
+    // Once the InferenceSession is created, its SessionOptions is the source of truth
+    // and contains all the values from the user provided OrtSessionOptions.
+    // We wrap the session's copy so any modifications made by the EP (e.g., DisableMemPattern)
+    // will affect the actual session options that will be used.
+    auto& session_options = sess.GetMutableSessionOptions();
+    OrtSessionOptions ort_so;
+    ort_so.value = session_options;
+
     for (auto& factory : options->provider_factories) {
-      auto provider = factory->CreateProvider(*options, *session_logger->ToExternal());
+      auto provider = factory->CreateProvider(ort_so, *session_logger->ToExternal());
       provider_list.push_back(std::move(provider));
     }
 
+    // Copy any modifications made by the EP back to the session's options
+    session_options = ort_so.value;
+
     // register the providers
     for (auto& provider : provider_list) {
       if (provider) {