diff --git a/sdk/include/vcruntime/arm64intr.h b/sdk/include/vcruntime/arm64intr.h
new file mode 100644
index 00000000000..bbc4822ab7c
--- /dev/null
+++ b/sdk/include/vcruntime/arm64intr.h
@@ -0,0 +1,40 @@
+/*
+ * PROJECT:     ReactOS SDK
+ * LICENSE:     MIT (https://spdx.org/licenses/MIT)
+ * PURPOSE:     ARM64 intriniscs
+ * COPYRIGHT:   Copyright 2025 Timo Kreuzer (timo.kreuzer@reactos.org)
+ */
+
+#pragma once
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+typedef enum _tag_ARM64INTR_BARRIER_TYPE
+{
+    _ARM64_BARRIER_SY     = 0xF,
+    _ARM64_BARRIER_ST     = 0xE,
+    _ARM64_BARRIER_LD     = 0xD,
+    _ARM64_BARRIER_ISH    = 0xB,
+    _ARM64_BARRIER_ISHST  = 0xA,
+    _ARM64_BARRIER_ISHLD  = 0x9,
+    _ARM64_BARRIER_NSH    = 0x7,
+    _ARM64_BARRIER_NSHST  = 0x6,
+    _ARM64_BARRIER_NSHLD  = 0x5,
+    _ARM64_BARRIER_OSH    = 0x3,
+    _ARM64_BARRIER_OSHST  = 0x2,
+    _ARM64_BARRIER_OSHLD  = 0x1
+} _ARM64INTR_BARRIER_TYPE;
+
+void __dmb(unsigned int _Type);
+void __dsb(unsigned int _Type);
+void __isb(unsigned int _Type);
+
+#pragma intrinsic(__dmb)
+#pragma intrinsic(__dsb)
+#pragma intrinsic(__isb)
+
+#if defined(__cplusplus)
+} // extern "C"
+#endif
diff --git a/sdk/include/vcruntime/intrin.h b/sdk/include/vcruntime/intrin.h
index fda1dc4c8e9..6cb5a3380b8 100644
--- a/sdk/include/vcruntime/intrin.h
+++ b/sdk/include/vcruntime/intrin.h
@@ -23,6 +23,11 @@
 #include <armintr.h>
 #endif /* _M_ARM */
 
+#if defined(_M_ARM64)
+#include <arm64intr.h>
+//#include <arm64_neon.h>
+#endif /* _M_ARM64 */
+
 #if defined(__cplusplus)
 extern "C" {
 #endif