Microsoft Forefront Protection 2010 for Exchange Server does not properly parse e-mail content, which might allow remote attackers to execute arbitrary code via a crafted message, aka "RCE Vulnerability."
Improper Control of Generation of Code The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.