MS05-021: Vulnerability in Exchange Server Could Allow Remote Code Execution (894549)

This update resolves a newly-discovered, privately-reported vulnerability in Microsoft Exchange Server that could allow an attacker to run arbitrary code on the system. The vulnerability is documented in the "Vulnerability Details" section of this bulletin. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
[Microsoft Security Bulletins]