Microsoft Corp.'s Windows image rendering nightmare just won't go away.

Just days after rushing out an emergency fix to counter a spate of zero-day attacks, security researchers claim there are at least two new flaws in the way the Windows graphics rendering engine handles WMF (Windows Metafile) images.

The latest warning was posted to the Bugtraq mailing list Monday by a researcher known simply as "cocoruder."

A few hours later, the first sign of what appears to be proof-of-concept exploit code was also published.
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