Microsoft is investigating reports of a new zero-day attack on Microsoft Word, and is aware of "very limited attacks" exploiting the vulnerability. Worse yet, it is not related to three other flaws in Word unpatched by Microsoft, says Symantec.

The issue is known to affect Office XP, 2000 and Office 2003 on Windows 95, NT, 98, Me, 2000, Server 2003 and XP. It is known that the exploit involves the execution of arbitrary code, but specifics of the actual issue are not yet known.


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