diff --git a/CMakeLists.txt b/CMakeLists.txt
index 19b3c6b6931..12dd07e5085 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -232,7 +232,8 @@ Enable this if the module uses typeid or dynamic_cast. You will probably need to
                     -D_WIN32_WINNT=0x502
                     -D_WIN32_WINDOWS=0x502
                     -D_SETUPAPI_VER=0x502
-                    -DMINGW_HAS_SECURE_API=1)
+                    -DMINGW_HAS_SECURE_API=1
+                    -DDLL_EXPORT_VERSION=${DLL_EXPORT_VERSION})
 
     # Arch Options
     if(ARCH STREQUAL "i386")
diff --git a/sdk/cmake/config.cmake b/sdk/cmake/config.cmake
index 5e6243dd35a..77b26a0383e 100644
--- a/sdk/cmake/config.cmake
+++ b/sdk/cmake/config.cmake
@@ -114,3 +114,6 @@ endif()
 
 set(USE_DUMMY_PSEH FALSE CACHE BOOL
 "Whether to disable PSEH support.")
+
+set(DLL_EXPORT_VERSION "0x502" CACHE STRING
+"The NT version the user mode DLLs target.")
diff --git a/sdk/cmake/gcc.cmake b/sdk/cmake/gcc.cmake
index 03b481b0140..a4a013ed6a0 100644
--- a/sdk/cmake/gcc.cmake
+++ b/sdk/cmake/gcc.cmake
@@ -345,11 +345,11 @@ function(fixup_load_config _target)
         DEPENDS native-pefixup)
 endfunction()
 
-function(generate_import_lib _libname _dllname _spec_file)
+function(generate_import_lib _libname _dllname _spec_file __version_arg)
     # Generate the def for the import lib
     add_custom_command(
         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def
-        COMMAND native-spec2def -n=${_dllname} -a=${ARCH2} ${ARGN} --implib -d=${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
+        COMMAND native-spec2def ${__version_arg} -n=${_dllname} -a=${ARCH2} ${ARGN} --implib -d=${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 
     # With this, we let DLLTOOL create an import library
@@ -415,6 +415,8 @@ function(spec2def _dllname _spec_file)
 
     if(__spec2def_VERSION)
         set(__version_arg "--version=0x${__spec2def_VERSION}")
+    else()
+        set(__version_arg "--version=${DLL_EXPORT_VERSION}")
     endif()
 
     # Generate exports def and C stubs file for the DLL
@@ -429,7 +431,7 @@ function(spec2def _dllname _spec_file)
             set(_extraflags --no-private-warnings)
         endif()
 
-        generate_import_lib(lib${_file} ${_dllname} ${_spec_file} ${_extraflags})
+        generate_import_lib(lib${_file} ${_dllname} ${_spec_file} ${_extraflags} "${__version_arg}")
     endif()
 endfunction()
 
diff --git a/sdk/cmake/msvc.cmake b/sdk/cmake/msvc.cmake
index 3981715190b..8dcfc8d43cc 100644
--- a/sdk/cmake/msvc.cmake
+++ b/sdk/cmake/msvc.cmake
@@ -312,7 +312,7 @@ function(fixup_load_config _target)
     # msvc knows how to generate a load_config so no hacks here
 endfunction()
 
-function(generate_import_lib _libname _dllname _spec_file)
+function(generate_import_lib _libname _dllname _spec_file __version_arg)
 
     set(_def_file ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
     set(_asm_stubs_file ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_stubs.asm)
@@ -320,7 +320,7 @@ function(generate_import_lib _libname _dllname _spec_file)
     # Generate the def and asm stub files
     add_custom_command(
         OUTPUT ${_asm_stubs_file} ${_def_file}
-        COMMAND native-spec2def --ms -a=${SPEC2DEF_ARCH} --implib -n=${_dllname} -d=${_def_file} -l=${_asm_stubs_file} ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
+        COMMAND native-spec2def --ms ${__version_arg} -a=${SPEC2DEF_ARCH} --implib -n=${_dllname} -d=${_def_file} -l=${_asm_stubs_file} ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 
     # Compile the generated asm stub file
@@ -386,6 +386,8 @@ function(spec2def _dllname _spec_file)
 
     if(__spec2def_VERSION)
         set(__version_arg "--version=0x${__spec2def_VERSION}")
+    else()
+        set(__version_arg "--version=${DLL_EXPORT_VERSION}")
     endif()
 
     # Generate exports def and C stubs file for the DLL
@@ -395,7 +397,7 @@ function(spec2def _dllname _spec_file)
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 
     if(__spec2def_ADD_IMPORTLIB)
-        generate_import_lib(lib${_file} ${_dllname} ${_spec_file})
+        generate_import_lib(lib${_file} ${_dllname} ${_spec_file} "${__version_arg}")
         if(__spec2def_NO_PRIVATE_WARNINGS)
             set_property(TARGET lib${_file} APPEND PROPERTY STATIC_LIBRARY_OPTIONS /ignore:4104)
         endif()