Microsoft Corp. said Monday that a flaw in the way its Windows operating system looks up other computers on the Internet has resurfaced and could expose some customers to online attacks.
The flaw primarily affects corporate users outside of the U.S. It could theoretically be exploited by attackers to silently redirect a victim to a malicious Web site.
Microsoft originally patched this flaw in 1999, but it was rediscovered recently in later versions of Windows and was then publicized at a recent hacker conference in New Zealand. "This is a variation of that previously reported vulnerability that manifests when certain client side settings are made," said Mike Reavey, a group manager at Microsoft's Security Response Center.
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