Microsoft released an out-of-band patch on Monday. Out of band patch releases rarely happen and are generally because of a zero-day exploit that needs an immediate fix.
Virtual Administrator approved the patch as soon as it became available Monday afternoon.
http://blogs.technet.com/b/msrc/archive/2013/01/14/ms13-008-released-for-security-advisory-2794220.aspx
CRITICAL
MS13-008: (Internet Explorer) The vulnerability could allow remote code execution if a user views a specially crafted webpage using Internet Explorer.
Details and Links
MS13-008: Security Update for Internet Explorer (2799329)
http://technet.microsoft.com/en-us/security/bulletin/ms13-008
Severity: Critical
KB in Kaseya: KB2799329
Affected Software: XP, Vista, Windows 7, Server 2003, Server 2008/2008R2/2012
Known Issues per MS: None