CNET News.com: "Deja vu? Only a day after Microsoft's monthly patch day, a new security hole in Microsoft Office is being exploited in cyberattacks.
These attacks take advantage of a previously unknown vulnerability in PowerPoint for which no patch is available, security experts at Symantec said in an alert issued Wednesday. The flaw might affect Microsoft Office in general, according to the alert.
Microsoft is investigating the issue, it said in an e-mailed statement Thursday. The company is aware of attacks that exploit the flaw, but those are 'extremely limited, targeted attacks,' it said. For an attack to be successful, users must open a malicious PowerPoint file provided to them, for example via e-mail, Microsoft noted. "
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