You can see here http://wareseeker.com/free-wow-1.2.3-enus-patch.exe/
or here

Download Patch:
Download Mirror 1: Download Patch
Download Mirror 2: Download Patch

World of Warcraft 1.2.3 patch


Downloads



This UK English patch is only to be used with the UK English language version of World of Warcraft!This is the v1.2.3 patch for the UK English retail version of World of Warcraft. This is available as an alternative download to the World of Warcraft auto-patcher and is only good for the European retail clients of World of Warcraft. This patch will not work with any version of the game outside of the UK English client.

World of WarCraft Wrath of the Lich King 1.2.3 patch download

http://wowvault.ign.com/View.php?view=PatchNotes.Detail&id=20