Microsoft Corp on Thursday released a security update to address what it called a critical vulnerability. Microsoft patches what could allow an attacker to take control of a user's Windows computer. The network security updates are for Windows XP, Windows Vista and the beta version of Windows 7.
By: Jennifer Hong
Published: Oct 23, 2008
Updated: Jul 1, 2009

Microsoft Corp on Thursday released a security update to address a serious vulnerability that involves network security. The out-of-band urgent update is classified as critical for Windows XP and considered important for Windows Vista and the beta version of Windows 7.
Microsoft patches what could allow an attacker to take control of a user's Windows computer. The software giant also concedes that it could be exploited by an Internet-based worm and do massive amounts of damage.
Network security is the target for these flaws, so it is highly recommended to install the latest security signatures from endpoint and network vendors. This is recommended after Microsoft patches your Windows system.
The vulnerability was first discovered by Microsoft security researchers. The software giant immediately contacted and worked with other endpoint and network security vendors to update their security signatures. These companies are part of the partnering program between Microsoft and its vendors.
This update marks the sixth time that Microsoft has issued and out-of-band security update since October 2004. As of 2004, the software giant implemented its policy of releasing patches on the second Tuesday of each month.
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