Remote attackers are already exploiting a recently discovered security vulnerability in Microsoft Word 2000.
The flaw can be used to take over user’s systems, according to a security advisory posted by internet security firm Secunia.
Secunia said the threat to systems was “critical”. The company said, “The vulnerability is caused by an unspecified error when processing Word documents. This can be exploited to execute arbitrary code when a malicious document is opened.”
Secunia said the problem affects Microsoft Word 2000 running on the Windows 2000 operating system, although other configurations may be affected too.
Users are being warned not to open untrusted documents. Microsoft releases its next batch of scheduled security updates on Tuesday 12 September.
It is not clear whether the company will have time to tackle this threat as part of these updates.
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