diff --git a/level_zero/core/source/cmdlist/cmdlist_additional_args.cpp b/level_zero/core/source/cmdlist/cmdlist_additional_args.cpp
index 18acb7c9d8..7a1b036b9e 100644
--- a/level_zero/core/source/cmdlist/cmdlist_additional_args.cpp
+++ b/level_zero/core/source/cmdlist/cmdlist_additional_args.cpp
@@ -66,6 +66,12 @@ void CommandList::setAdditionalBlitPropertiesFromMemoryCopyParams(NEO::BlitPrope
 }
 
 ze_result_t CommandList::obtainMemoryCopyParamsFromExtensions(const ze_base_desc_t *desc, CmdListMemoryCopyParams &memoryCopyParams) const {
+    if (desc) {
+        PRINT_DEBUG_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Could not recognize provided extension, stype: 0x%x.\n",
+                           desc->stype);
+        return ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
+    }
+
     return ZE_RESULT_SUCCESS;
 }
 
diff --git a/level_zero/core/source/cmdlist/cmdlist_hw.inl b/level_zero/core/source/cmdlist/cmdlist_hw.inl
index 1082c91dce..3c51ef4de0 100644
--- a/level_zero/core/source/cmdlist/cmdlist_hw.inl
+++ b/level_zero/core/source/cmdlist/cmdlist_hw.inl
@@ -2103,7 +2103,10 @@ ze_result_t CommandListCoreFamily<gfxCoreFamily>::appendMemoryCopyWithParameters
                                                                                  uint32_t numWaitEvents,
                                                                                  ze_event_handle_t *phWaitEvents) {
     CmdListMemoryCopyParams memoryCopyParams{};
-    obtainMemoryCopyParamsFromExtensions(static_cast<const ze_base_desc_t *>(pNext), memoryCopyParams);
+    ze_result_t ret = obtainMemoryCopyParamsFromExtensions(static_cast<const ze_base_desc_t *>(pNext), memoryCopyParams);
+    if (ret) {
+        return ret;
+    }
 
     return appendMemoryCopy(dstptr, srcptr, size, hSignalEvent, numWaitEvents, phWaitEvents, memoryCopyParams);
 }
@@ -2753,7 +2756,10 @@ ze_result_t CommandListCoreFamily<gfxCoreFamily>::appendMemoryFillWithParameters
                                                                                  uint32_t numWaitEvents,
                                                                                  ze_event_handle_t *phWaitEvents) {
     CmdListMemoryCopyParams memoryCopyParams{};
-    obtainMemoryCopyParamsFromExtensions(static_cast<const ze_base_desc_t *>(pNext), memoryCopyParams);
+    ze_result_t ret = obtainMemoryCopyParamsFromExtensions(static_cast<const ze_base_desc_t *>(pNext), memoryCopyParams);
+    if (ret) {
+        return ret;
+    }
 
     return appendMemoryFill(ptr, pattern, patternSize, size, hSignalEvent, numWaitEvents, phWaitEvents, memoryCopyParams);
 }
diff --git a/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_6.cpp b/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_6.cpp
index 22778940e2..6d17764bf2 100644
--- a/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_6.cpp
+++ b/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_6.cpp
@@ -484,15 +484,35 @@ HWTEST_F(CommandListTest, givenUnrecognizedDescriptorWhenObtainLaunchParamsFromE
     EXPECT_EQ(std::string("Could not recognize provided extension, stype: 0x12.\n"), output);
 }
 
-HWTEST_F(CommandListTest, WhenObtainMemoryCopyParamsFromExtensionsIsCalledThenSuccessIsReturned) {
+HWTEST_F(CommandListTest, givenEmptyExtWhenObtainMemoryCopyParamsFromExtensionsIsCalledThenSuccessIsReturned) {
     CmdListMemoryCopyParams memoryCopyParams{};
-    ze_base_desc_t desc{};
 
     auto commandList = std::make_unique<WhiteBox<::L0::CommandListCoreFamily<FamilyType::gfxCoreFamily>>>();
-    commandList->initialize(device, NEO::EngineGroupType::renderCompute, 0u);
+    commandList->initialize(device, NEO::EngineGroupType::copy, 0u);
+
+    ze_result_t result = commandList->obtainMemoryCopyParamsFromExtensions(nullptr, memoryCopyParams);
+    EXPECT_EQ(ZE_RESULT_SUCCESS, result);
+}
+
+HWTEST_F(CommandListTest, givenUnrecognizedExtWhenObtainMemoryCopyParamsFromExtensionsIsCalledThenErrorIsReturned) {
+    CmdListMemoryCopyParams memoryCopyParams{};
+    ze_base_desc_t desc{
+        .stype = static_cast<ze_structure_type_t>(10),
+    };
+
+    StreamCapture capture;
+    capture.captureStderr();
+    DebugManagerStateRestore restorer{};
+    debugManager.flags.PrintDebugMessages.set(true);
+
+    auto commandList = std::make_unique<WhiteBox<::L0::CommandListCoreFamily<FamilyType::gfxCoreFamily>>>();
+    commandList->initialize(device, NEO::EngineGroupType::copy, 0u);
 
     ze_result_t result = commandList->obtainMemoryCopyParamsFromExtensions(&desc, memoryCopyParams);
-    EXPECT_EQ(ZE_RESULT_SUCCESS, result);
+    EXPECT_EQ(ZE_RESULT_ERROR_UNSUPPORTED_FEATURE, result);
+
+    std::string output = capture.getCapturedStderr();
+    EXPECT_EQ(std::string("Could not recognize provided extension, stype: 0xa.\n"), output);
 }
 
 HWTEST_F(CommandListTest, givenComputeCommandListAnd2dRegionWhenMemoryCopyRegionInUsmHostAllocationCalledThenBuiltinFlagAndDestinationAllocSystemIsSet) {
diff --git a/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_append_memory.cpp b/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_append_memory.cpp
index 908545962e..b52be73cc8 100644
--- a/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_append_memory.cpp
+++ b/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_append_memory.cpp
@@ -1396,6 +1396,18 @@ HWTEST2_F(AppendMemoryCopyTests, givenCopyCommandListImmediateWithDummyBlitWaWhe
     context->freeMem(buffer);
 }
 
+HWTEST_F(AppendMemoryCopyTests, givenInvalidExtWhenAppendMemoryCopyWithParametersCalledThenErrorIsReturned) {
+    MockCommandListCoreFamily<FamilyType::gfxCoreFamily> cmdList;
+    cmdList.initialize(device, NEO::EngineGroupType::copy, 0u);
+
+    uint32_t srcBuffer = 1;
+    uint32_t dstBuffer = 0;
+    ze_base_desc_t desc{};
+
+    ze_result_t result = cmdList.appendMemoryCopyWithParameters(&dstBuffer, &srcBuffer, sizeof(srcBuffer), &desc, nullptr, 0, nullptr);
+    EXPECT_NE(ZE_RESULT_SUCCESS, result);
+}
+
 struct StagingBuffersFixture : public AppendMemoryCopyTests {
     void SetUp() override {
         debugManager.flags.EnableCopyWithStagingBuffers.set(1);
diff --git a/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_fill.cpp b/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_fill.cpp
index 46e6fa695d..146e8004a9 100644
--- a/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_fill.cpp
+++ b/level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_fill.cpp
@@ -536,5 +536,17 @@ HWTEST2_F(AppendFillTest,
                                            true);
 }
 
+HWTEST_F(AppendFillTest, givenInvalidExtWhenAppendMemoryFillWithParametersCalledThenErrorIsReturned) {
+    MockCommandList<FamilyType::gfxCoreFamily> commandList;
+    commandList.initialize(device, NEO::EngineGroupType::copy, 0u);
+
+    uint32_t dstBuffer = 0;
+    uint8_t pattern = 1;
+    ze_base_desc_t desc{};
+
+    ze_result_t result = commandList.appendMemoryFillWithParameters(&dstBuffer, &pattern, sizeof(pattern), sizeof(dstBuffer), &desc, nullptr, 0, nullptr);
+    EXPECT_NE(ZE_RESULT_SUCCESS, result);
+}
+
 } // namespace ult
 } // namespace L0