As part of their monthly update cycle, Microsoft today released one critical and one important security update.
Cumulative Security Update for Internet Explorer (905915)
Vulnerabilities exist in Internet Explorer, the most severe of these could allow an attacker to take complete control of an affected system.
Vulnerability in Windows Kernel Could Allow Elevation of Privilege (908523)
A vulnerability exists in the Windows Kernel that could allow elevation of privileges on an affected system. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability.