For the second month in a row, Microsoft has released a cumulative update for Internet Explorer, patching a number of critical remote code execution vulnerabilities in the browser. It also patched a serious kernel mode driver vulnerability that could enable attackers to gain root access to a machine using a malicious USB drive, a la Stuxnet. Microsoft s Patch Tuesday security updates include four critical bulletins among the seven released today. Microsoft also released its policy on providing patches for Windows Store applications, saying that it will deliver patches for apps as they become available.
Source: https://threatpost.com/critical-ie-windows-kernel-flaws-patched-031213-0/77615/