Article ID: 2902934 - View products that this article applies to.
When you set the display language for Outlook Web App (OWA) to Korean in a Microsoft Exchange Server 2013 environment, some Korean language is translated incorrectly.
To resolve this issue, install the following cumulative update:
(http://support.microsoft.com/kb/2892464/ )Description of Cumulative Update 3 for Exchange Server 2013
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.