diff --git a/sql/base/auth_database.sql b/sql/base/auth_database.sql
index 5de231f5c6..a2af4eddbe 100644
--- a/sql/base/auth_database.sql
+++ b/sql/base/auth_database.sql
@@ -1467,7 +1467,14 @@ INSERT INTO `build_auth_key` VALUES
 (66102,'Mac','x64','WoWC',0x53450B13738F09E4056D29FA52BB97D1),
 (66102,'Win','A64','WoW',0xBB8094EDF49428355CFA2B047534122A),
 (66102,'Win','x64','WoW',0x9C5E4611B87738D89FE8A27C3AC3F375),
-(66102,'Win','x64','WoWC',0xBDE323DD7628C72BDD953A0253CFF53E);
+(66102,'Win','x64','WoWC',0xBDE323DD7628C72BDD953A0253CFF53E),
+(66192,'Mac','A64','WoW',0x8A6A4FF9F0AA54E6079F2E0D493B0F88),
+(66192,'Mac','A64','WoWC',0x68666612063EBC72FB964E50B6813D24),
+(66192,'Mac','x64','WoW',0x359D0C76F1487223D236D3776D9A4691),
+(66192,'Mac','x64','WoWC',0xF0E0870A7F9BFBA9AEDD7FB644B5A374),
+(66192,'Win','A64','WoW',0x72F1DF83D5DFD2F030054B5B2B8E0F29),
+(66192,'Win','x64','WoW',0xEC07B9D9B8C91E1F14192AF984D79CE5),
+(66192,'Win','x64','WoWC',0xE8A2B8EDCFCA47DCA085D6EC1EEC3471);
 /*!40000 ALTER TABLE `build_auth_key` ENABLE KEYS */;
 UNLOCK TABLES;
 
@@ -1900,7 +1907,8 @@ INSERT INTO `build_info` VALUES
 (66017,12,0,1,NULL),
 (66044,12,0,1,NULL),
 (66066,12,0,1,NULL),
-(66102,12,0,1,NULL);
+(66102,12,0,1,NULL),
+(66192,12,0,1,NULL);
 /*!40000 ALTER TABLE `build_info` ENABLE KEYS */;
 UNLOCK TABLES;
 
@@ -3513,7 +3521,7 @@ CREATE TABLE `realmlist` (
   `timezone` tinyint unsigned NOT NULL DEFAULT '0',
   `allowedSecurityLevel` tinyint unsigned NOT NULL DEFAULT '0',
   `population` float NOT NULL DEFAULT '0',
-  `gamebuild` int unsigned NOT NULL DEFAULT '66102',
+  `gamebuild` int unsigned NOT NULL DEFAULT '66192',
   `Region` tinyint unsigned NOT NULL DEFAULT '1',
   `Battlegroup` tinyint unsigned NOT NULL DEFAULT '1',
   PRIMARY KEY (`id`),
@@ -3528,7 +3536,7 @@ CREATE TABLE `realmlist` (
 LOCK TABLES `realmlist` WRITE;
 /*!40000 ALTER TABLE `realmlist` DISABLE KEYS */;
 INSERT INTO `realmlist` VALUES
-(1,'Trinity','127.0.0.1','127.0.0.1',NULL,NULL,'255.255.255.0',8085,0,0,1,0,0,66102,1,1);
+(1,'Trinity','127.0.0.1','127.0.0.1',NULL,NULL,'255.255.255.0',8085,0,0,1,0,0,66192,1,1);
 /*!40000 ALTER TABLE `realmlist` ENABLE KEYS */;
 UNLOCK TABLES;
 
@@ -4074,7 +4082,8 @@ INSERT INTO `updates` VALUES
 ('2026_02_20_00_auth.sql','1F86EDA4FD1DB8B17A2FDDD3827BF51291759710','RELEASED','2026-02-19 22:49:50',0),
 ('2026_02_20_01_auth.sql','8A711818144D290DB543CA051E98107497FB4A21','RELEASED','2026-02-20 20:51:25',0),
 ('2026_02_25_00_auth.sql','2AEEEB944DDF38A11AB353F34AF51F3FBA683F6E','RELEASED','2026-02-25 19:43:49',0),
-('2026_02_25_01_auth.sql','CBCC2B6C82C81E99C7F68B6C80C06A8CA3F05567','RELEASED','2026-02-25 22:40:44',0);
+('2026_02_25_01_auth.sql','CBCC2B6C82C81E99C7F68B6C80C06A8CA3F05567','RELEASED','2026-02-25 22:40:44',0),
+('2026_02_27_00_auth.sql','8B58DE791107448F19E87A01445DE609CE9CF5FA','RELEASED','2026-02-27 21:19:42',0);
 /*!40000 ALTER TABLE `updates` ENABLE KEYS */;
 UNLOCK TABLES;
 
diff --git a/sql/updates/auth/master/2026_02_27_00_auth.sql b/sql/updates/auth/master/2026_02_27_00_auth.sql
new file mode 100644
index 0000000000..9c80c9234b
--- /dev/null
+++ b/sql/updates/auth/master/2026_02_27_00_auth.sql
@@ -0,0 +1,23 @@
+DELETE FROM `build_info` WHERE `build` IN (66192);
+INSERT INTO `build_info` (`build`,`majorVersion`,`minorVersion`,`bugfixVersion`,`hotfixVersion`) VALUES
+(66192,12,0,1,NULL);
+
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Mac' AND `arch`='A64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Mac' AND `arch`='A64' AND `type`='WoWC';
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Mac' AND `arch`='x64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Mac' AND `arch`='x64' AND `type`='WoWC';
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Win' AND `arch`='A64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Win' AND `arch`='x64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66192 AND `platform`='Win' AND `arch`='x64' AND `type`='WoWC';
+INSERT INTO `build_auth_key` (`build`,`platform`,`arch`,`type`,`key`) VALUES
+(66192,'Mac','A64','WoW',0x8A6A4FF9F0AA54E6079F2E0D493B0F88),
+(66192,'Mac','A64','WoWC',0x68666612063EBC72FB964E50B6813D24),
+(66192,'Mac','x64','WoW',0x359D0C76F1487223D236D3776D9A4691),
+(66192,'Mac','x64','WoWC',0xF0E0870A7F9BFBA9AEDD7FB644B5A374),
+(66192,'Win','A64','WoW',0x72F1DF83D5DFD2F030054B5B2B8E0F29),
+(66192,'Win','x64','WoW',0xEC07B9D9B8C91E1F14192AF984D79CE5),
+(66192,'Win','x64','WoWC',0xE8A2B8EDCFCA47DCA085D6EC1EEC3471);
+
+UPDATE `realmlist` SET `gamebuild`=66192 WHERE `gamebuild`=66102;
+
+ALTER TABLE `realmlist` CHANGE `gamebuild` `gamebuild` int unsigned NOT NULL DEFAULT '66192';