Microsoft Corp. issued their monthly security bulletins on Tuesday, with fixes for four known vulnerabilities in the company s Windows operating system, Office suite and Remote Desktop Connection products. Only one, MS11-015, is rated critical indicating a danger of the holes being used in remote attacks or to enable fast spreading worms. The company did not issue a fix for a serious flaw in the way that Windows manages MHTML operations, which affects all current versions of Windows and could allow an attacker to run code on vulnerable systems.
Source: https://threatpost.com/microsoft-fills-windows-office-holes-march-patch-release-030811/75006/