diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 98548957d0b42..40e6a8da28e45 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1607,7 +1607,6 @@ if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   endif()
 endif()
 
-
 #Now the 'onnxruntime_EXTERNAL_LIBRARIES' variable should be sealed. It will be used in onnxruntime.cmake which will be included in the next.
 #The order of the following targets matters. Right depends on left. If target A appears before target B. Then A.cmake can not use variables defined in B.cmake.
 set(ONNXRUNTIME_CMAKE_FILES onnxruntime_flatbuffers onnxruntime_common onnxruntime_mlas onnxruntime_graph onnxruntime_lora onnxruntime_framework onnxruntime_util onnxruntime_providers onnxruntime_optimizer onnxruntime_session ${ONNXRUNTIME_EAGER_CMAKE_FILE_NAME})
@@ -1623,9 +1622,6 @@ if (onnxruntime_USE_WINML)
   list(APPEND ONNXRUNTIME_CMAKE_FILES winml)
 endif() # if (onnxruntime_USE_WINML)
 
-if (onnxruntime_BUILD_APPLE_FRAMEWORK AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin|iOS|visionOS|tvOS")
-  message(FATAL_ERROR "onnxruntime_BUILD_APPLE_FRAMEWORK can only be enabled for macOS or iOS or visionOS or tvOS.")
-endif()
 list(APPEND ONNXRUNTIME_CMAKE_FILES onnxruntime)
 
 if (onnxruntime_BUILD_JAVA)
@@ -1690,8 +1686,8 @@ if (WIN32 AND NOT GDK_PLATFORM AND NOT CMAKE_CROSSCOMPILING)
   endif()
 endif()
 
-foreach(target_name ${ONNXRUNTIME_CMAKE_FILES})
-  include(${target_name}.cmake)
+foreach(onnxruntime_cmake_file ${ONNXRUNTIME_CMAKE_FILES})
+  include(${onnxruntime_cmake_file}.cmake)
 endforeach()
 if (UNIX)
   option(BUILD_PKGCONFIG_FILES "Build and install pkg-config files" ON)
diff --git a/cmake/external/onnxruntime_external_deps.cmake b/cmake/external/onnxruntime_external_deps.cmake
index 3095968795d1a..827be3e6dea2a 100644
--- a/cmake/external/onnxruntime_external_deps.cmake
+++ b/cmake/external/onnxruntime_external_deps.cmake
@@ -313,41 +313,32 @@ onnxruntime_fetchcontent_makeavailable(nlohmann_json)
 if (onnxruntime_ENABLE_CPUINFO)
   # Adding pytorch CPU info library
   # TODO!! need a better way to find out the supported architectures
-  list(LENGTH CMAKE_OSX_ARCHITECTURES CMAKE_OSX_ARCHITECTURES_LEN)
+  set(CPUINFO_SUPPORTED FALSE)
   if (APPLE)
+    list(LENGTH CMAKE_OSX_ARCHITECTURES CMAKE_OSX_ARCHITECTURES_LEN)
     if (CMAKE_OSX_ARCHITECTURES_LEN LESS_EQUAL 1)
       set(CPUINFO_SUPPORTED TRUE)
-    elseif (onnxruntime_BUILD_APPLE_FRAMEWORK)
-      # We stitch multiple static libraries together when onnxruntime_BUILD_APPLE_FRAMEWORK is true,
-      # but that would not work for universal static libraries
-      message(FATAL_ERROR "universal binary is not supported for apple framework")
-    endif()
-  else()
-    # if xnnpack is enabled in a wasm build it needs clog from cpuinfo, but we won't internally use cpuinfo
-    # so we don't set CPUINFO_SUPPORTED in the CXX flags below.
-    if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten" AND NOT onnxruntime_USE_XNNPACK)
-      set(CPUINFO_SUPPORTED FALSE)
     else()
+      message(WARNING "cpuinfo is not supported when CMAKE_OSX_ARCHITECTURES has more than one value.")
+    endif()
+  elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
+    # if xnnpack is enabled in a wasm build it needs clog from cpuinfo, but we won't internally use cpuinfo.
+    if (onnxruntime_USE_XNNPACK)
       set(CPUINFO_SUPPORTED TRUE)
     endif()
-    if (WIN32)
-      # There's an error when linking with cpuinfo on arm64ec with a vcpkg build (--use_vcpkg).
-      # TODO Fix it and then re-enable cpuinfo on arm64ec.
-      if (onnxruntime_target_platform STREQUAL "ARM64EC")
-        set(CPUINFO_SUPPORTED FALSE)
-      else()
-        set(CPUINFO_SUPPORTED TRUE)
-      endif()
-    elseif (NOT ${onnxruntime_target_platform} MATCHES "^(i[3-6]86|AMD64|x86(_64)?|armv[5-8].*|aarch64|arm64)$")
-      message(WARNING
-        "Target processor architecture \"${onnxruntime_target_platform}\" is not supported in cpuinfo. "
-        "cpuinfo not included."
-      )
-      set(CPUINFO_SUPPORTED FALSE)
+  elseif (WIN32)
+    set(CPUINFO_SUPPORTED TRUE)
+  else()
+    if (onnxruntime_target_platform MATCHES "^(i[3-6]86|AMD64|x86(_64)?|armv[5-8].*|aarch64|arm64)$")
+      set(CPUINFO_SUPPORTED TRUE)
+    else()
+      message(WARNING "Target processor architecture \"${onnxruntime_target_platform}\" is not supported in cpuinfo.")
     endif()
   endif()
-else()
-  set(CPUINFO_SUPPORTED FALSE)
+
+  if(NOT CPUINFO_SUPPORTED)
+    message(WARNING "onnxruntime_ENABLE_CPUINFO was set but cpuinfo is not supported.")
+  endif()
 endif()
 
 if (CPUINFO_SUPPORTED)
@@ -358,23 +349,26 @@ if (CPUINFO_SUPPORTED)
 
   # if this is a wasm build with xnnpack (only type of wasm build where cpuinfo is involved)
   # we do not use cpuinfo in ORT code, so don't define CPUINFO_SUPPORTED.
-  if (NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
-    string(APPEND CMAKE_CXX_FLAGS " -DCPUINFO_SUPPORTED")
+  if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten" AND onnxruntime_USE_XNNPACK)
+  else()
+    add_compile_definitions(CPUINFO_SUPPORTED)
   endif()
 
-
   set(CPUINFO_BUILD_TOOLS OFF CACHE INTERNAL "")
   set(CPUINFO_BUILD_UNIT_TESTS OFF CACHE INTERNAL "")
   set(CPUINFO_BUILD_MOCK_TESTS OFF CACHE INTERNAL "")
   set(CPUINFO_BUILD_BENCHMARKS OFF CACHE INTERNAL "")
   if (onnxruntime_target_platform STREQUAL "ARM64EC" OR onnxruntime_target_platform STREQUAL "ARM64")
-    message(STATUS "Applying a patch for Windows ARM64/ARM64EC in cpuinfo")
+    message(STATUS "Applying patches for Windows ARM64/ARM64EC in cpuinfo")
     onnxruntime_fetchcontent_declare(
       pytorch_cpuinfo
       URL ${DEP_URL_pytorch_cpuinfo}
       URL_HASH SHA1=${DEP_SHA1_pytorch_cpuinfo}
       EXCLUDE_FROM_ALL
-      PATCH_COMMAND ${Patch_EXECUTABLE} -p1 < ${PROJECT_SOURCE_DIR}/patches/cpuinfo/patch_cpuinfo_h_for_arm64ec.patch
+      PATCH_COMMAND
+        ${Patch_EXECUTABLE} -p1 < ${PROJECT_SOURCE_DIR}/patches/cpuinfo/patch_cpuinfo_h_for_arm64ec.patch &&
+        # https://github.com/pytorch/cpuinfo/pull/324
+        ${Patch_EXECUTABLE} -p1 < ${PROJECT_SOURCE_DIR}/patches/cpuinfo/patch_vcpkg_arm64ec_support.patch
       FIND_PACKAGE_ARGS NAMES cpuinfo
     )
   else()
@@ -584,8 +578,7 @@ endif()
 
 set(onnxruntime_EXTERNAL_LIBRARIES ${onnxruntime_EXTERNAL_LIBRARIES_XNNPACK} ${WIL_TARGET} nlohmann_json::nlohmann_json
                                    onnx onnx_proto ${PROTOBUF_LIB} re2::re2 Boost::mp11 safeint_interface
-                                   flatbuffers::flatbuffers ${GSL_TARGET} ${ABSEIL_LIBS} date::date
-                                   ${ONNXRUNTIME_CLOG_TARGET_NAME} Eigen3::Eigen)
+                                   flatbuffers::flatbuffers ${GSL_TARGET} ${ABSEIL_LIBS} date::date Eigen3::Eigen)
 
 # The source code of onnx_proto is generated, we must build this lib first before starting to compile the other source code that uses ONNX protobuf types.
 # The other libs do not have the problem. All the sources are already there. We can compile them in any order.
diff --git a/cmake/onnxruntime.cmake b/cmake/onnxruntime.cmake
index 010696a61022c..e1d98109208d4 100644
--- a/cmake/onnxruntime.cmake
+++ b/cmake/onnxruntime.cmake
@@ -350,8 +350,19 @@ if (winml_is_inbox)
   endif()
 endif()
 
-# Assemble the Apple static framework (iOS and macOS)
+# Assemble the Apple static framework
 if(onnxruntime_BUILD_APPLE_FRAMEWORK)
+  if (NOT CMAKE_SYSTEM_NAME MATCHES "Darwin|iOS|visionOS|tvOS")
+    message(FATAL_ERROR "onnxruntime_BUILD_APPLE_FRAMEWORK can only be enabled for macOS or iOS or visionOS or tvOS.")
+  endif()
+
+  list(LENGTH CMAKE_OSX_ARCHITECTURES CMAKE_OSX_ARCHITECTURES_LEN)
+  if (CMAKE_OSX_ARCHITECTURES_LEN GREATER 1)
+    # We stitch multiple static libraries together when onnxruntime_BUILD_APPLE_FRAMEWORK is true,
+    # but that would not work for universal static libraries
+    message(FATAL_ERROR "universal binary is not supported for apple framework")
+  endif()
+
   # when building for mac catalyst, the CMAKE_OSX_SYSROOT is set to MacOSX as well, to avoid duplication,
   # we specify as `-macabi` in the name of the output static apple framework directory.
   if (PLATFORM_NAME STREQUAL "macabi")
diff --git a/cmake/onnxruntime_common.cmake b/cmake/onnxruntime_common.cmake
index d927489372e7c..0218994e537a0 100644
--- a/cmake/onnxruntime_common.cmake
+++ b/cmake/onnxruntime_common.cmake
@@ -194,59 +194,10 @@ if(APPLE)
   target_link_libraries(onnxruntime_common PRIVATE "-framework Foundation")
 endif()
 
-if(MSVC)
-  if(onnxruntime_target_platform STREQUAL "ARM64")
-    set(ARM64 TRUE)
-  elseif (onnxruntime_target_platform STREQUAL "ARM")
-    set(ARM TRUE)
-  elseif(onnxruntime_target_platform STREQUAL "x64")
-    set(X64 TRUE)
-  elseif(onnxruntime_target_platform STREQUAL "x86")
-    set(X86 TRUE)
-  endif()
-elseif(APPLE)
-  if(CMAKE_OSX_ARCHITECTURES_LEN LESS_EQUAL 1)
-    set(X64 TRUE)
-  endif()
-elseif(NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
-  if (CMAKE_SYSTEM_NAME STREQUAL "Android")
-    if (CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
-      set(ARM TRUE)
-    elseif (CMAKE_ANDROID_ARCH_ABI STREQUAL "arm64-v8a")
-      set(ARM64 TRUE)
-    elseif (CMAKE_ANDROID_ARCH_ABI STREQUAL "x86_64")
-      set(X86_64 TRUE)
-    elseif (CMAKE_ANDROID_ARCH_ABI STREQUAL "x86")
-      set(X86 TRUE)
-    endif()
-  else()
-    execute_process(
-      COMMAND ${CMAKE_C_COMPILER} -dumpmachine
-      OUTPUT_VARIABLE dumpmachine_output
-      ERROR_QUIET
-    )
-    if(dumpmachine_output MATCHES "^arm64.*")
-      set(ARM64 TRUE)
-    elseif(dumpmachine_output MATCHES "^arm.*")
-      set(ARM TRUE)
-    elseif(dumpmachine_output MATCHES "^aarch64.*")
-      set(ARM64 TRUE)
-    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^riscv64.*")
-      set(RISCV64 TRUE)
-    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(i.86|x86?)$")
-      set(X86 TRUE)
-    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|amd64)$")
-      set(X86_64 TRUE)
-    endif()
-  endif()
-endif()
-
-if (RISCV64 OR ARM64 OR ARM OR X86 OR X64 OR X86_64)
-    # Link cpuinfo if supported
-    if (CPUINFO_SUPPORTED)
-      onnxruntime_add_include_to_target(onnxruntime_common cpuinfo::cpuinfo)
-      list(APPEND onnxruntime_EXTERNAL_LIBRARIES cpuinfo::cpuinfo ${ONNXRUNTIME_CLOG_TARGET_NAME})
-    endif()
+if(CPUINFO_SUPPORTED)
+  # Link cpuinfo if supported
+  onnxruntime_add_include_to_target(onnxruntime_common cpuinfo::cpuinfo)
+  list(APPEND onnxruntime_EXTERNAL_LIBRARIES cpuinfo::cpuinfo)
 endif()
 
 if (NOT onnxruntime_BUILD_SHARED_LIB)
diff --git a/cmake/onnxruntime_nodejs.cmake b/cmake/onnxruntime_nodejs.cmake
index b28bda6c94276..cce0810c5bbe8 100644
--- a/cmake/onnxruntime_nodejs.cmake
+++ b/cmake/onnxruntime_nodejs.cmake
@@ -10,6 +10,7 @@ include(node_helper.cmake)
 
 # setup ARCH
 if (APPLE)
+    list(LENGTH CMAKE_OSX_ARCHITECTURES CMAKE_OSX_ARCHITECTURES_LEN)
     if (CMAKE_OSX_ARCHITECTURES_LEN GREATER 1)
         message(FATAL_ERROR "CMake.js does not support multi-architecture for macOS")
     endif()
diff --git a/cmake/patches/cpuinfo/patch_vcpkg_arm64ec_support.patch b/cmake/patches/cpuinfo/patch_vcpkg_arm64ec_support.patch
new file mode 100644
index 0000000000000..af0f039b6c2a3
--- /dev/null
+++ b/cmake/patches/cpuinfo/patch_vcpkg_arm64ec_support.patch
@@ -0,0 +1,91 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index aedc983..dab589e 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -72,6 +72,17 @@ IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" AND CPUINFO_TARGET_PROCESSOR STREQUAL "am
+ ENDIF()
+ IF(IS_APPLE_OS AND CMAKE_OSX_ARCHITECTURES MATCHES "^(x86_64|arm64.*)$")
+   SET(CPUINFO_TARGET_PROCESSOR "${CMAKE_OSX_ARCHITECTURES}")
++ELSEIF(MSVC AND CMAKE_VERSION VERSION_GREATER_EQUAL "3.10")
++  # Use CMAKE_C_COMPILER_ARCHITECTURE_ID. MSVC values are documented as available since CMake 3.10.
++  IF(CMAKE_C_COMPILER_ARCHITECTURE_ID STREQUAL "X86")
++    SET(CPUINFO_TARGET_PROCESSOR "x86")
++  ELSEIF(CMAKE_C_COMPILER_ARCHITECTURE_ID STREQUAL "x64")
++    SET(CPUINFO_TARGET_PROCESSOR "x86_64")
++  ELSEIF(CMAKE_C_COMPILER_ARCHITECTURE_ID MATCHES "^(ARM64|ARM64EC)$")
++    SET(CPUINFO_TARGET_PROCESSOR "arm64")
++  ELSE()
++    MESSAGE(FATAL_ERROR "Unsupported MSVC compiler architecture ID \"${CMAKE_C_COMPILER_ARCHITECTURE_ID}\"")
++  ENDIF()
+ ELSEIF(CMAKE_GENERATOR MATCHES "^Visual Studio " AND CMAKE_VS_PLATFORM_NAME)
+   IF(CMAKE_VS_PLATFORM_NAME STREQUAL "Win32")
+     SET(CPUINFO_TARGET_PROCESSOR "x86")
+@@ -88,7 +99,7 @@ ENDIF()
+ 
+ # ---[ Build flags
+ SET(CPUINFO_SUPPORTED_PLATFORM TRUE)
+-IF(NOT CMAKE_SYSTEM_PROCESSOR)
++IF(NOT CPUINFO_TARGET_PROCESSOR)
+   IF(NOT IOS)
+     MESSAGE(WARNING
+       "Target processor architecture is not specified. "
+@@ -201,12 +212,12 @@ IF(CPUINFO_SUPPORTED_PLATFORM)
+         src/arm/linux/chipset.c
+         src/arm/linux/midr.c
+         src/arm/linux/hwcap.c)
+-      IF(CMAKE_SYSTEM_PROCESSOR MATCHES "^armv[5-8]")
++      IF(CPUINFO_TARGET_PROCESSOR MATCHES "^armv[5-8]")
+         LIST(APPEND CPUINFO_SRCS src/arm/linux/aarch32-isa.c)
+         IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND ANDROID_ABI STREQUAL "armeabi")
+           SET_SOURCE_FILES_PROPERTIES(src/arm/linux/aarch32-isa.c PROPERTIES COMPILE_FLAGS -marm)
+         ENDIF()
+-      ELSEIF(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64)$")
++      ELSEIF(CPUINFO_TARGET_PROCESSOR MATCHES "^(aarch64|arm64)$")
+         LIST(APPEND CPUINFO_SRCS src/arm/linux/aarch64-isa.c)
+       ENDIF()
+     ELSEIF(IS_APPLE_OS AND CPUINFO_TARGET_PROCESSOR MATCHES "arm64.*")
+@@ -395,7 +406,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
+     TARGET_COMPILE_DEFINITIONS(cpuinfo_mock PRIVATE _GNU_SOURCE=1)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv5te|armv7-a)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv5te|armv7-a)$")
+     ADD_EXECUTABLE(atm7029b-tablet-test test/mock/atm7029b-tablet.cc)
+     TARGET_INCLUDE_DIRECTORIES(atm7029b-tablet-test BEFORE PRIVATE test/mock)
+     TARGET_LINK_LIBRARIES(atm7029b-tablet-test PRIVATE cpuinfo_mock gtest)
+@@ -577,7 +588,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
+     ADD_TEST(NAME xperia-sl-test COMMAND xperia-sl-test)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv5te|armv7-a|aarch64)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv5te|armv7-a|aarch64)$")
+     ADD_EXECUTABLE(alcatel-revvl-test test/mock/alcatel-revvl.cc)
+     TARGET_INCLUDE_DIRECTORIES(alcatel-revvl-test BEFORE PRIVATE test/mock)
+     TARGET_LINK_LIBRARIES(alcatel-revvl-test PRIVATE cpuinfo_mock gtest)
+@@ -774,7 +785,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
+     ADD_TEST(NAME xperia-c4-dual-test COMMAND xperia-c4-dual-test)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(i686|x86_64)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(i686|x86_64)$")
+     ADD_EXECUTABLE(alldocube-iwork8-test test/mock/alldocube-iwork8.cc)
+     TARGET_INCLUDE_DIRECTORIES(alldocube-iwork8-test BEFORE PRIVATE test/mock)
+     TARGET_LINK_LIBRARIES(alldocube-iwork8-test PRIVATE cpuinfo_mock gtest)
+@@ -831,7 +842,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_UNIT_TESTS)
+     ADD_TEST(NAME brand-string-test COMMAND brand-string-test)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
+     ADD_LIBRARY(android_properties_interface STATIC test/name/android-properties-interface.c)
+     CPUINFO_TARGET_ENABLE_C99(android_properties_interface)
+     CPUINFO_TARGET_RUNTIME_LIBRARY(android_properties_interface)
+@@ -879,7 +890,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_TOOLS)
+   TARGET_LINK_LIBRARIES(cache-info PRIVATE cpuinfo)
+   INSTALL(TARGETS cache-info RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+ 
+-  IF(CMAKE_SYSTEM_NAME MATCHES "^(Android|Linux)$" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
++  IF(CMAKE_SYSTEM_NAME MATCHES "^(Android|Linux)$" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
+     ADD_EXECUTABLE(auxv-dump tools/auxv-dump.c)
+     CPUINFO_TARGET_ENABLE_C99(auxv-dump)
+     CPUINFO_TARGET_RUNTIME_LIBRARY(auxv-dump)
diff --git a/cmake/vcpkg-ports/cpuinfo/patch_vcpkg_arm64ec_support.patch b/cmake/vcpkg-ports/cpuinfo/patch_vcpkg_arm64ec_support.patch
new file mode 100644
index 0000000000000..af0f039b6c2a3
--- /dev/null
+++ b/cmake/vcpkg-ports/cpuinfo/patch_vcpkg_arm64ec_support.patch
@@ -0,0 +1,91 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index aedc983..dab589e 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -72,6 +72,17 @@ IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" AND CPUINFO_TARGET_PROCESSOR STREQUAL "am
+ ENDIF()
+ IF(IS_APPLE_OS AND CMAKE_OSX_ARCHITECTURES MATCHES "^(x86_64|arm64.*)$")
+   SET(CPUINFO_TARGET_PROCESSOR "${CMAKE_OSX_ARCHITECTURES}")
++ELSEIF(MSVC AND CMAKE_VERSION VERSION_GREATER_EQUAL "3.10")
++  # Use CMAKE_C_COMPILER_ARCHITECTURE_ID. MSVC values are documented as available since CMake 3.10.
++  IF(CMAKE_C_COMPILER_ARCHITECTURE_ID STREQUAL "X86")
++    SET(CPUINFO_TARGET_PROCESSOR "x86")
++  ELSEIF(CMAKE_C_COMPILER_ARCHITECTURE_ID STREQUAL "x64")
++    SET(CPUINFO_TARGET_PROCESSOR "x86_64")
++  ELSEIF(CMAKE_C_COMPILER_ARCHITECTURE_ID MATCHES "^(ARM64|ARM64EC)$")
++    SET(CPUINFO_TARGET_PROCESSOR "arm64")
++  ELSE()
++    MESSAGE(FATAL_ERROR "Unsupported MSVC compiler architecture ID \"${CMAKE_C_COMPILER_ARCHITECTURE_ID}\"")
++  ENDIF()
+ ELSEIF(CMAKE_GENERATOR MATCHES "^Visual Studio " AND CMAKE_VS_PLATFORM_NAME)
+   IF(CMAKE_VS_PLATFORM_NAME STREQUAL "Win32")
+     SET(CPUINFO_TARGET_PROCESSOR "x86")
+@@ -88,7 +99,7 @@ ENDIF()
+ 
+ # ---[ Build flags
+ SET(CPUINFO_SUPPORTED_PLATFORM TRUE)
+-IF(NOT CMAKE_SYSTEM_PROCESSOR)
++IF(NOT CPUINFO_TARGET_PROCESSOR)
+   IF(NOT IOS)
+     MESSAGE(WARNING
+       "Target processor architecture is not specified. "
+@@ -201,12 +212,12 @@ IF(CPUINFO_SUPPORTED_PLATFORM)
+         src/arm/linux/chipset.c
+         src/arm/linux/midr.c
+         src/arm/linux/hwcap.c)
+-      IF(CMAKE_SYSTEM_PROCESSOR MATCHES "^armv[5-8]")
++      IF(CPUINFO_TARGET_PROCESSOR MATCHES "^armv[5-8]")
+         LIST(APPEND CPUINFO_SRCS src/arm/linux/aarch32-isa.c)
+         IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND ANDROID_ABI STREQUAL "armeabi")
+           SET_SOURCE_FILES_PROPERTIES(src/arm/linux/aarch32-isa.c PROPERTIES COMPILE_FLAGS -marm)
+         ENDIF()
+-      ELSEIF(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64)$")
++      ELSEIF(CPUINFO_TARGET_PROCESSOR MATCHES "^(aarch64|arm64)$")
+         LIST(APPEND CPUINFO_SRCS src/arm/linux/aarch64-isa.c)
+       ENDIF()
+     ELSEIF(IS_APPLE_OS AND CPUINFO_TARGET_PROCESSOR MATCHES "arm64.*")
+@@ -395,7 +406,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
+     TARGET_COMPILE_DEFINITIONS(cpuinfo_mock PRIVATE _GNU_SOURCE=1)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv5te|armv7-a)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv5te|armv7-a)$")
+     ADD_EXECUTABLE(atm7029b-tablet-test test/mock/atm7029b-tablet.cc)
+     TARGET_INCLUDE_DIRECTORIES(atm7029b-tablet-test BEFORE PRIVATE test/mock)
+     TARGET_LINK_LIBRARIES(atm7029b-tablet-test PRIVATE cpuinfo_mock gtest)
+@@ -577,7 +588,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
+     ADD_TEST(NAME xperia-sl-test COMMAND xperia-sl-test)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv5te|armv7-a|aarch64)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv5te|armv7-a|aarch64)$")
+     ADD_EXECUTABLE(alcatel-revvl-test test/mock/alcatel-revvl.cc)
+     TARGET_INCLUDE_DIRECTORIES(alcatel-revvl-test BEFORE PRIVATE test/mock)
+     TARGET_LINK_LIBRARIES(alcatel-revvl-test PRIVATE cpuinfo_mock gtest)
+@@ -774,7 +785,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_MOCK_TESTS)
+     ADD_TEST(NAME xperia-c4-dual-test COMMAND xperia-c4-dual-test)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(i686|x86_64)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(i686|x86_64)$")
+     ADD_EXECUTABLE(alldocube-iwork8-test test/mock/alldocube-iwork8.cc)
+     TARGET_INCLUDE_DIRECTORIES(alldocube-iwork8-test BEFORE PRIVATE test/mock)
+     TARGET_LINK_LIBRARIES(alldocube-iwork8-test PRIVATE cpuinfo_mock gtest)
+@@ -831,7 +842,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_UNIT_TESTS)
+     ADD_TEST(NAME brand-string-test COMMAND brand-string-test)
+   ENDIF()
+ 
+-  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
++  IF(CMAKE_SYSTEM_NAME STREQUAL "Android" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
+     ADD_LIBRARY(android_properties_interface STATIC test/name/android-properties-interface.c)
+     CPUINFO_TARGET_ENABLE_C99(android_properties_interface)
+     CPUINFO_TARGET_RUNTIME_LIBRARY(android_properties_interface)
+@@ -879,7 +890,7 @@ IF(CPUINFO_SUPPORTED_PLATFORM AND CPUINFO_BUILD_TOOLS)
+   TARGET_LINK_LIBRARIES(cache-info PRIVATE cpuinfo)
+   INSTALL(TARGETS cache-info RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+ 
+-  IF(CMAKE_SYSTEM_NAME MATCHES "^(Android|Linux)$" AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
++  IF(CMAKE_SYSTEM_NAME MATCHES "^(Android|Linux)$" AND CPUINFO_TARGET_PROCESSOR MATCHES "^(armv[5-8].*|aarch64)$")
+     ADD_EXECUTABLE(auxv-dump tools/auxv-dump.c)
+     CPUINFO_TARGET_ENABLE_C99(auxv-dump)
+     CPUINFO_TARGET_RUNTIME_LIBRARY(auxv-dump)
diff --git a/cmake/vcpkg-ports/cpuinfo/portfile.cmake b/cmake/vcpkg-ports/cpuinfo/portfile.cmake
index 3fcf76b7adafc..eeb0007195ca3 100644
--- a/cmake/vcpkg-ports/cpuinfo/portfile.cmake
+++ b/cmake/vcpkg-ports/cpuinfo/portfile.cmake
@@ -11,6 +11,7 @@ vcpkg_from_github(
     HEAD_REF master
     PATCHES
         patch_cpuinfo_h_for_arm64ec.patch
+        patch_vcpkg_arm64ec_support.patch  # https://github.com/pytorch/cpuinfo/pull/324
 )
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
diff --git a/onnxruntime/core/common/cpuid_arch_definition.h b/onnxruntime/core/common/cpuid_arch_definition.h
index a541eb66d8ba3..5946b8ca27067 100644
--- a/onnxruntime/core/common/cpuid_arch_definition.h
+++ b/onnxruntime/core/common/cpuid_arch_definition.h
@@ -9,6 +9,6 @@
 #define CPUIDINFO_ARCH_X86
 #endif
 
-#if defined(_M_ARM64) || defined(__aarch64__) || defined(_M_ARM) || defined(__arm__)
+#if defined(_M_ARM64) || defined(_M_ARM64EC) || defined(__aarch64__) || defined(_M_ARM) || defined(__arm__)
 #define CPUIDINFO_ARCH_ARM
 #endif  // ARM or ARM64
diff --git a/onnxruntime/test/platform/device_discovery_test.cc b/onnxruntime/test/platform/device_discovery_test.cc
index 21ddf9a5b1cd7..6b43ccbc8f670 100644
--- a/onnxruntime/test/platform/device_discovery_test.cc
+++ b/onnxruntime/test/platform/device_discovery_test.cc
@@ -25,9 +25,9 @@ TEST(DeviceDiscoveryTest, HasCpuDevice) {
   const auto cpu_devices = GetDevicesByType(OrtHardwareDeviceType_CPU);
   ASSERT_GT(cpu_devices.size(), 0);
 
-#if !defined(__wasm__)
+#if defined(CPUINFO_SUPPORTED)
   ASSERT_NE(cpu_devices[0].vendor_id, 0);
-#endif  // !defined(__WASM__)
+#endif  // defined(CPUINFO_SUPPORTED)
 }
 
 }  // namespace onnxruntime::test