We're expecting to sync with MS around 6PM GMT to get the IE out of band patch in to the hierarchy so we can push this out quick.

New Bulletin Summary

Bulletin Identifier

Internet Explorer

Maximum Severity Rating

Critical

Impact of Vulnerability

Remote Code Execution

Restart Requirement

The update will require a restart.

Affected Software

All supported versions of Internet Explorer on Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008*, Windows 7, and Windows Server 2008 R2*.

* Where indicated in the Affected Software table on the Advance Notification Web Page, the vulnerabilities addressed by this update do not affect supported editions of Windows Server 2008 or Windows Server 2008 R2, when installed using the Server Core installation option. Please see the Advance Notification Web page at the link below for more details.

As you can see, you need to reboot a platform to get the patch to show as installed in your reports.

More info here http://www.microsoft.com/technet/security/bulletin/ms10-jan.mspx