Microsoft has released its advanced notification for April's Patch Tuesday update, which will address 25 problems in 11 security bulletins.
Five of the vulnerabilities are rated 'critical', and apply to enterprise applications including Microsoft Office and Exchange. Affected operating systems include Windows 2000, XP, Vista, 2003, 2008 and Windows 7...
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An attacker can use these vulnerabilities to remotely execute code on the victim's machine, and they should be addressed as quickly as possible," he said.
However, Kandek added that Windows 7 has been left relatively unpatched, suggesting that it is a more secure platform that previous releases.
"Windows 7 has fewer critical updates to install than the older operating system versions, an indication that the newer version of Windows is more robust and secure out of the box," he said.
Source:
http://www.itnews.com.au/News/171753,microsoft-warns-of-major-patch-tuesday-update.aspx