diff --git a/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java b/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java
index e948c14e..9a8d2703 100644
--- a/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java
+++ b/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java
@@ -66,8 +66,7 @@ public class AuthController {
             value = """
               {
                 "code": "LOGIN_ID_NOT_FOUND",
-                "message": "아이디를 잘못 입력하셨습니다.",
-                "detail": null
+                "message": "아이디를 잘못 입력하셨습니다."
               }
               """),
           @ExampleObject(
@@ -76,8 +75,7 @@ public class AuthController {
             value = """
               {
                 "code": "LOGIN_PASSWORD_MISMATCH",
-                "message": "비밀번호를 잘못 입력하셨습니다.",
-                "detail": "비밀번호 입력 오류 3회, 2회 남았습니다."
+                "message": "비밀번호를 잘못 입력하셨습니다."
               }
               """),
           @ExampleObject(
@@ -86,8 +84,7 @@ public class AuthController {
             value = """
               {
                 "code": "LOGIN_PASSWORD_EXCEEDED",
-                "message": "비밀번호 오류 횟수를 초과하여 이용하실 수 없습니다.",
-                "detail": "로그인 오류에 대해 관리자에게 문의하시기 바랍니다."
+                "message": "비밀번호 오류 횟수를 초과하여 이용하실 수 없습니다. 로그인 오류에 대해 관리자에게 문의하시기 바랍니다."
               }
               """)
         }
diff --git a/src/main/java/com/kamco/cd/kamcoback/members/MembersApiController.java b/src/main/java/com/kamco/cd/kamcoback/members/MembersApiController.java
index 633bf10e..0c146f8a 100644
--- a/src/main/java/com/kamco/cd/kamcoback/members/MembersApiController.java
+++ b/src/main/java/com/kamco/cd/kamcoback/members/MembersApiController.java
@@ -14,6 +14,8 @@ import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springdoc.core.annotations.ParameterObject;
 import org.springframework.data.domain.Page;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -27,6 +29,7 @@ import org.springframework.web.bind.annotation.RestController;
 @RequiredArgsConstructor
 public class MembersApiController {
 
+  private final AuthenticationManager authenticationManager;
   private final MembersService membersService;
 
   @Operation(summary = "회원정보 목록", description = "회원정보 조회")
@@ -65,6 +68,10 @@ public class MembersApiController {
     })
   @PatchMapping("/{memberId}/password")
   public ApiResponseDto<String> resetPassword(@PathVariable String memberId, @RequestBody @Valid MembersDto.InitReq initReq) {
+
+    authenticationManager.authenticate(
+      new UsernamePasswordAuthenticationToken(memberId, initReq.getTempPassword()));
+
     membersService.resetPassword(memberId, initReq);
     return ApiResponseDto.createOK(memberId);
   }
diff --git a/src/main/java/com/kamco/cd/kamcoback/members/service/MembersService.java b/src/main/java/com/kamco/cd/kamcoback/members/service/MembersService.java
index d68352a4..3f63f430 100644
--- a/src/main/java/com/kamco/cd/kamcoback/members/service/MembersService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/members/service/MembersService.java
@@ -36,6 +36,7 @@ public class MembersService {
    */
   @Transactional
   public void resetPassword(String id, MembersDto.InitReq initReq) {
+
     if (!isValidPassword(initReq.getPassword())) {
       throw new CustomApiException("WRONG_PASSWORD", HttpStatus.BAD_REQUEST);
     }
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java b/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java
index 756e9f71..fc39f559 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java
@@ -1,8 +1,6 @@
 package com.kamco.cd.kamcoback.postgres.core;
 
 import com.kamco.cd.kamcoback.auth.BCryptSaltGenerator;
-import com.kamco.cd.kamcoback.common.enums.error.AuthErrorCode;
-import com.kamco.cd.kamcoback.common.exception.CustomApiException;
 import com.kamco.cd.kamcoback.members.dto.MembersDto;
 import com.kamco.cd.kamcoback.members.dto.MembersDto.AddReq;
 import com.kamco.cd.kamcoback.members.dto.MembersDto.Basic;
@@ -104,10 +102,6 @@ public class MembersCoreService {
     MemberEntity memberEntity =
       membersRepository.findByUserId(id).orElseThrow(() -> new MemberNotFoundException());
 
-    if (!memberEntity.getTempPassword().equals(initReq.getTempPassword())) {
-      throw new CustomApiException(AuthErrorCode.LOGIN_PASSWORD_MISMATCH);
-    }
-
     String salt =
       BCryptSaltGenerator.generateSaltWithEmployeeNo(memberEntity.getEmployeeNo().trim());
     // 패스워드 암호화