MS16-010 – Important: Security Update in Microsoft Exchange Server to Address Spoofing (3124557) – Version: 1.0

Severity Rating: Important
Revision Note: V1.0 (January 12, 2016): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Exchange Server. The most severe of the vulnerabilities could allow spoofing if Outlook Web Access (OWA) fails to properly handle web requests, and sanitize user input and email content.
Source: ms-security