Interesting 'tidbit' on W7 x64. After the SP1 install, the 2 others Rick mentions, and one optional, later in the day Windows Update came back with another fix????
A security update, KB2479628?
Microsoft Security Bulletin MS11-012 - Important
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2479628)
Published: February 08, 2011
This security update resolves five privately reported vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logged on locally and ran a specially crafted application. An attacker must have valid logon credentials and be able to log on locally to exploit these vulnerabilities. The vulnerabilities could not be exploited remotely or by anonymous users.
This security update is rated Important for all supported versions of Microsoft Windows. For more information, see the subsection, Affected and Non-Affected Software, in this section.
The security update addresses the vulnerabilities by correcting the way the Windows kernel-mode drivers validate input passed from user mode. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.
Recommendation. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.
For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update at the earliest opportunity using update management software, or by checking for updates using the Microsoft Update service.
Published on the 8th but not included Tuesday?