diff --git a/scripts/pylib/twister/twisterlib/runner.py b/scripts/pylib/twister/twisterlib/runner.py
index be3d64adc0883..28e3dae80cdc8 100644
--- a/scripts/pylib/twister/twisterlib/runner.py
+++ b/scripts/pylib/twister/twisterlib/runner.py
@@ -329,11 +329,15 @@ def run_cmake(self, args="", filter_stages=[]):
             warnings_as_errors = 'n'
             gen_defines_args = ""
 
+        warning_command = 'CONFIG_COMPILER_WARNINGS_AS_ERRORS'
+        if self.testsuite.sysbuild:
+            warning_command = 'SB_' + warning_command
+
         logger.debug("Running cmake on %s for %s" % (self.source_dir, self.platform.name))
         cmake_args = [
             f'-B{self.build_dir}',
             f'-DTC_RUNID={self.instance.run_id}',
-            f'-DCONFIG_COMPILER_WARNINGS_AS_ERRORS={warnings_as_errors}',
+            f'-D{warning_command}={warnings_as_errors}',
             f'-DEXTRA_GEN_DEFINES_ARGS={gen_defines_args}',
             f'-G{self.env.generator}'
         ]
diff --git a/scripts/tests/twister/test_runner.py b/scripts/tests/twister/test_runner.py
index 7a492e9491817..b07ab333f8965 100644
--- a/scripts/tests/twister/test_runner.py
+++ b/scripts/tests/twister/test_runner.py
@@ -368,7 +368,7 @@ def mock_popen(*args, **kwargs):
      None, None,
      [os.path.join('dummy', 'cmake'),
       '-B' + os.path.join('build', 'dir'), '-DTC_RUNID=1',
-      '-DCONFIG_COMPILER_WARNINGS_AS_ERRORS=y',
+      '-DSB_CONFIG_COMPILER_WARNINGS_AS_ERRORS=y',
       '-DEXTRA_GEN_DEFINES_ARGS=--edtlib-Werror', '-Gdummy_generator',
       '-S' + os.path.join('source', 'dir'),
       'arg1', 'arg2',
@@ -382,7 +382,7 @@ def mock_popen(*args, **kwargs):
      'error', 'Cmake build failure',
      [os.path.join('dummy', 'cmake'),
       '-B' + os.path.join('build', 'dir'), '-DTC_RUNID=1',
-      '-DCONFIG_COMPILER_WARNINGS_AS_ERRORS=n',
+      '-DSB_CONFIG_COMPILER_WARNINGS_AS_ERRORS=n',
       '-DEXTRA_GEN_DEFINES_ARGS=', '-Gdummy_generator',
       '-Szephyr_base/share/sysbuild',
       '-DAPP_DIR=' + os.path.join('source', 'dir'),
diff --git a/share/sysbuild/Kconfig b/share/sysbuild/Kconfig
index 9f1a1cf30af7a..956792e7a1b4f 100644
--- a/share/sysbuild/Kconfig
+++ b/share/sysbuild/Kconfig
@@ -41,4 +41,9 @@ config WARN_DEPRECATED
 	  Print a warning when the Kconfig tree is parsed if any deprecated
 	  features are enabled.
 
+config COMPILER_WARNINGS_AS_ERRORS
+	bool "Treat warnings as errors"
+	help
+	  Turn on "warning as error" toolchain flags for all images if set.
+
 rsource "images/Kconfig"
diff --git a/share/sysbuild/cmake/modules/sysbuild_extensions.cmake b/share/sysbuild/cmake/modules/sysbuild_extensions.cmake
index 05cde48a0e04c..2fbb3b4f06dfc 100644
--- a/share/sysbuild/cmake/modules/sysbuild_extensions.cmake
+++ b/share/sysbuild/cmake/modules/sysbuild_extensions.cmake
@@ -375,6 +375,9 @@ function(ExternalZephyrProject_Add)
   if(DEFINED ZBUILD_APP_TYPE)
     set(image_default "${CMAKE_SOURCE_DIR}/image_configurations/${ZBUILD_APP_TYPE}_image_default.cmake")
     set_target_properties(${ZBUILD_APPLICATION} PROPERTIES IMAGE_CONF_SCRIPT ${image_default})
+  else()
+    set(image_default "${CMAKE_SOURCE_DIR}/image_configurations/ALL_image_default.cmake")
+    set_target_properties(${ZBUILD_APPLICATION} PROPERTIES IMAGE_CONF_SCRIPT ${image_default})
   endif()
 
   if(DEFINED ZBUILD_BOARD)
diff --git a/share/sysbuild/image_configurations/ALL_image_default.cmake b/share/sysbuild/image_configurations/ALL_image_default.cmake
new file mode 100644
index 0000000000000..d270704ad5960
--- /dev/null
+++ b/share/sysbuild/image_configurations/ALL_image_default.cmake
@@ -0,0 +1,10 @@
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# This sysbuild CMake file sets the sysbuild controlled settings as properties
+# on all images.
+
+if(SB_CONFIG_COMPILER_WARNINGS_AS_ERRORS)
+  set_config_bool(${ZCMAKE_APPLICATION} CONFIG_COMPILER_WARNINGS_AS_ERRORS y)
+endif()
diff --git a/share/sysbuild/image_configurations/BOOTLOADER_image_default.cmake b/share/sysbuild/image_configurations/BOOTLOADER_image_default.cmake
index 0da5a89ce117c..dfc64b376d874 100644
--- a/share/sysbuild/image_configurations/BOOTLOADER_image_default.cmake
+++ b/share/sysbuild/image_configurations/BOOTLOADER_image_default.cmake
@@ -27,3 +27,5 @@ foreach(loopkeytype ${keytypes})
     set_config_bool(${ZCMAKE_APPLICATION} ${loopkeytype} n)
   endif()
 endforeach()
+
+include(image_configurations/ALL_image_default.cmake)
diff --git a/share/sysbuild/image_configurations/MAIN_image_default.cmake b/share/sysbuild/image_configurations/MAIN_image_default.cmake
index a2ae840ef97c7..8eebd8e1a8f4a 100644
--- a/share/sysbuild/image_configurations/MAIN_image_default.cmake
+++ b/share/sysbuild/image_configurations/MAIN_image_default.cmake
@@ -20,3 +20,5 @@ if(SB_CONFIG_BOOTLOADER_MCUBOOT)
     set_config_bool(${ZCMAKE_APPLICATION} CONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE n)
   endif()
 endif()
+
+include(image_configurations/ALL_image_default.cmake)