diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfiguration.java
index c3d77d94fa..e9ebef3624 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfiguration.java
@@ -357,6 +357,7 @@ public class WebFluxAutoConfiguration {
 
 		@Bean
 		@ConditionalOnMissingBean(ResponseEntityExceptionHandler.class)
+		@Order(0)
 		ProblemDetailsExceptionHandler problemDetailsExceptionHandler() {
 			return new ProblemDetailsExceptionHandler();
 		}
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java
index f3e8097248..a6df6386d7 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java
@@ -662,6 +662,7 @@ public class WebMvcAutoConfiguration {
 
 		@Bean
 		@ConditionalOnMissingBean(ResponseEntityExceptionHandler.class)
+		@Order(0)
 		ProblemDetailsExceptionHandler problemDetailsExceptionHandler() {
 			return new ProblemDetailsExceptionHandler();
 		}
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.java
index 65be8c0f79..b1753c4142 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.java
@@ -37,6 +37,7 @@ import org.aspectj.lang.JoinPoint;
 import org.aspectj.lang.annotation.AfterReturning;
 import org.aspectj.lang.annotation.Aspect;
 import org.assertj.core.api.Assertions;
+import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
@@ -49,6 +50,8 @@ import org.springframework.boot.autoconfigure.validation.ValidationAutoConfigura
 import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
 import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration.WebFluxConfig;
+import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.HighestOrderedControllerAdvice;
+import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.LowestOrderedControllerAdvice;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
@@ -80,6 +83,7 @@ import org.springframework.validation.Validator;
 import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.filter.reactive.HiddenHttpMethodFilter;
+import org.springframework.web.method.ControllerAdviceBean;
 import org.springframework.web.reactive.HandlerMapping;
 import org.springframework.web.reactive.accept.RequestedContentTypeResolver;
 import org.springframework.web.reactive.config.BlockingExecutionConfigurer;
@@ -671,6 +675,17 @@ class WebFluxAutoConfigurationTests {
 				.hasSingleBean(CustomExceptionHandler.class));
 	}
 
+	@Test
+	void problemDetailsExceptionHandlerIsOrderedAt0() {
+		this.contextRunner.withPropertyValues("spring.webflux.problemdetails.enabled:true")
+			.withUserConfiguration(OrderedControllerAdviceBeansConfiguration.class)
+			.run((context) -> assertThat(
+					ControllerAdviceBean.findAnnotatedBeans(context).stream().map(ControllerAdviceBean::getBeanType))
+				.asInstanceOf(InstanceOfAssertFactories.list(Class.class))
+				.containsExactly(HighestOrderedControllerAdvice.class, ProblemDetailsExceptionHandler.class,
+						LowestOrderedControllerAdvice.class));
+	}
+
 	@Test
 	void asyncTaskExecutorWithApplicationTaskExecutor() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(TaskExecutionAutoConfiguration.class))
@@ -1016,6 +1031,25 @@ class WebFluxAutoConfigurationTests {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@Import({ OrderedControllerAdviceBeansConfiguration.LowestOrderedControllerAdvice.class,
+			OrderedControllerAdviceBeansConfiguration.HighestOrderedControllerAdvice.class })
+	static class OrderedControllerAdviceBeansConfiguration {
+
+		@ControllerAdvice
+		@Order
+		static class LowestOrderedControllerAdvice {
+
+		}
+
+		@ControllerAdvice
+		@Order(Ordered.HIGHEST_PRECEDENCE)
+		static class HighestOrderedControllerAdvice {
+
+		}
+
+	}
+
 	@Aspect
 	static class ExceptionHandlerInterceptor {
 
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java
index c2ebbb6d15..1ecc2395be 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java
@@ -39,6 +39,7 @@ import jakarta.validation.ValidatorFactory;
 import org.aspectj.lang.JoinPoint;
 import org.aspectj.lang.annotation.AfterReturning;
 import org.aspectj.lang.annotation.Aspect;
+import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.aop.support.AopUtils;
@@ -51,6 +52,8 @@ import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguratio
 import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
 import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration.WebMvcAutoConfigurationAdapter;
+import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.HighestOrderedControllerAdvice;
+import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfigurationTests.OrderedControllerAdviceBeansConfiguration.LowestOrderedControllerAdvice;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
@@ -65,6 +68,8 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
 import org.springframework.core.convert.ConversionService;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
@@ -89,6 +94,7 @@ import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
 import org.springframework.web.filter.FormContentFilter;
 import org.springframework.web.filter.HiddenHttpMethodFilter;
 import org.springframework.web.filter.RequestContextFilter;
+import org.springframework.web.method.ControllerAdviceBean;
 import org.springframework.web.servlet.DispatcherServlet;
 import org.springframework.web.servlet.FlashMap;
 import org.springframework.web.servlet.FlashMapManager;
@@ -972,6 +978,17 @@ class WebMvcAutoConfigurationTests {
 				.hasSingleBean(CustomExceptionHandler.class));
 	}
 
+	@Test
+	void problemDetailsExceptionHandlerIsOrderedAt0() {
+		this.contextRunner.withPropertyValues("spring.mvc.problemdetails.enabled:true")
+			.withUserConfiguration(OrderedControllerAdviceBeansConfiguration.class)
+			.run((context) -> assertThat(
+					ControllerAdviceBean.findAnnotatedBeans(context).stream().map(ControllerAdviceBean::getBeanType))
+				.asInstanceOf(InstanceOfAssertFactories.list(Class.class))
+				.containsExactly(HighestOrderedControllerAdvice.class, ProblemDetailsExceptionHandler.class,
+						OrderedControllerAdviceBeansConfiguration.LowestOrderedControllerAdvice.class));
+	}
+
 	private void assertResourceHttpRequestHandler(AssertableWebApplicationContext context,
 			Consumer<ResourceHttpRequestHandler> handlerConsumer) {
 		Map<String, Object> handlerMap = getHandlerMap(context.getBean("resourceHandlerMapping", HandlerMapping.class));
@@ -1496,6 +1513,24 @@ class WebMvcAutoConfigurationTests {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@Import({ LowestOrderedControllerAdvice.class, HighestOrderedControllerAdvice.class })
+	static class OrderedControllerAdviceBeansConfiguration {
+
+		@ControllerAdvice
+		@Order
+		static class LowestOrderedControllerAdvice {
+
+		}
+
+		@ControllerAdvice
+		@Order(Ordered.HIGHEST_PRECEDENCE)
+		static class HighestOrderedControllerAdvice {
+
+		}
+
+	}
+
 	@ControllerAdvice
 	static class CustomExceptionHandler extends ResponseEntityExceptionHandler {