Microsoft released Security Bulletin MS10-046 out-of-band to address a vulnerability in Windows, annouced last week. "This security update addresses a vulnerability in the handling of shortcuts that affects all currently supported versions of XP, Vista, Windows 7, Windows Server 2008 and Server 2008 R2. The security update protects against attempts to exploit this issue," informs Microsoft.
For customers using automatic updates, this update will automatically be applied once it's released. Customers not using automatic updates should download, test and deploy this update as quickly as possible.