Microsoft Patches To Fix Five Critical Errors

operating system

Altogether, Microsoft is repairing five vulnerabilities deemed "critical" and three rated "important" in almost every version of its operating systems, including Windows Vista, Windows XP and Windows 2000, as well as Windows Server 2003 and Windows Server 2008, and Explorer.

The announcement was part of Microsoft's pre-patch notification, which was posted on the company's Web site today. Microsoft releases regularly scheduled patches on the second Tuesday of each month.

The five critical updates fix errors in Microsoft Office, Windows and Internet Explorer. All critical vulnerabilities can be exploited by remote code execution, which could allow an attacker to issue a denial of service attack or install malware to completely take over an affected system.

The three patches deemed important fix errors that enable hackers to "spoof" and gain unauthorized elevated privileges to different versions of Windows, as well as execute malicious code by exploiting an error found in Microsoft Office.

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In particular, the upcoming security bundle addressed problems in the newest versions of Microsoft's operating system, including Windows Server 2008, released last month, and Windows Vista SP1, which became available two weeks ago.

Microsoft said in its advance notification bulletin that its Baseline Security Analyzer can detect whether a users' computer system would requre the update. In order to install the patch, users will need to restart their computers.

Security updates are available from the Microsoft Download Center, which can be found most easily after doing a keyword search for "security update," Microsoft said in its advisory.

The company also announced that it plans to host its April Security Bulletin Webcast April 9, at 11 a.m. Pacific Time.