Security pros patch older Windows versions

A group of security professionals has released a patch to repair a serious flaw in older Windows versions for which Microsoft no longer provides security updates. The group, which calls itself the Zeroday Emergency Response Team, or ZERT, created the patch so users of Windows versions that are no longer officially supported can protect their PCs against increasing attacks that utilize a recently disclosed Windows flaw. The vulnerability, first reported last week, lies in a Windows component called "vgx.dll." This component supports Vector Markup Language (VML) graphics in the operating system. Malicious software can be loaded, unbeknownst to the user, onto a vulnerable PC when the user clicks on a malicious link on a Web site or an e-mail message.

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