Microsoft this week released a stopgap security fix for a critical flaw present in some Windows PCs that could let attackers remotely seize control of vulnerable systems. But as scary as this vulnerability sounds, it may actually be better for some Vista users to wait until Microsoft issues an official update. Microsoft issued the emergency workaround after reports that security researchers were publishing proof-of-concept exploits that attackers might use to figure out how to attack the flaw. The workaround Microsoft released doesn’t fix the problem so much as disable the vulnerable component. In the meantime, Redmond says, it is working on developing a more precise, official patch. The flaw resides in the file-sharing capability of Windows Vista and Windows Server 2008 systems. It does not affect Windows XP, Windows 2000 or Windows Server 2003 computers. Microsoft says the vulnerability does not exist in the version of Windows 7 that the