diff --git a/.github/scripts/windows/build_task.bat b/.github/scripts/windows/build_task.bat
index e8d84b8c0bfd6..ced53bc413feb 100644
--- a/.github/scripts/windows/build_task.bat
+++ b/.github/scripts/windows/build_task.bat
@@ -45,6 +45,7 @@ cmd /c configure.bat ^
 	--without-analyzer ^
 	--enable-object-out-dir=%PHP_BUILD_OBJ_DIR% ^
 	--with-php-build=%DEPS_DIR% ^
+	--enable-sanitizer ^
 	%ADD_CONF% ^
 	--disable-test-ini
 if %errorlevel% neq 0 exit /b 3
diff --git a/win32/build/confutils.js b/win32/build/confutils.js
index 1da17bddbd9fe..1021b9b225c9e 100644
--- a/win32/build/confutils.js
+++ b/win32/build/confutils.js
@@ -3264,6 +3264,10 @@ function toolset_setup_common_cflags()
 			ADD_FLAG('CFLAGS', ' /wd4996 ');
 		}
 
+		if (PHP_SANITIZER == "yes") {
+			ADD_FLAG('CFLAGS', ' /fsanitize=address /wd5072 ');
+		}
+
 		if (PHP_DEBUG == "yes") {
 			// Set some debug/release specific options
 			ADD_FLAG('CFLAGS', ' /RTC1 ');