Microsoft Security Bulletin MS09-001
Vulnerabilities in SMB Could Allow Remote Code Execution (958687)

THREAT LEVEL
============
Medium

INFORMATION
===========
This security update resolves two privately reported vulnerabilities and one publicly disclosed vulnerability in Microsoft Server Message Block (SMB) Protocol. The vulnerabilities could allow remote code execution on affected systems. An attacker who successfully exploited these vulnerabilities could install programs; view, change, or delete data; or create new accounts with full user rights.

AFFECTED PLATFORMS
==================
Windows 2000 (all editions)
Windows XP (all editions)
Windows Server 2003 (all editions)
Windows Vista (all editions)
Windows Server 2008 (all editions)

x32 and x64 bit installations are both affected.

ACTION
======

Administrators of affected computers are advised to review the
bulletins, test and apply relevant updates to affected systems.

Further information
===================
http://www.microsoft.com/technet/security/Bulletin/MS09-001.mspx