BBC NEWS | Technology | Sites exploit Windows image flaw

BBC NEWS | Technology | Sites exploit Windows image flaw: "The US net watchdog, the Computer Emergency Response Center (Cert), and security firms have issued warnings about certain types of image files called Windows Metafiles.

Experts said numerous websites were taking advantage of the flaw to sneak into computers and install spyware.

Microsoft has said it is looking into the issue.

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The flaw centres on the way Microsoft's operating system handles Windows Metafiles (.wmf). These are image files that can contain both vector and bitmap-based picture information."