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Hackers used Microsoft Word bug ‘for months’

Source: BBC News

The bug was found in Microsoft Office software – and went unfixed for months

A bug in Microsoft Word was exploited by hackers for months before it was eventually fixed, according to security researchers.

The flaw allowed attackers to take control of a computer via malicious document files.

The zero-day, or previously undetected, vulnerability was patched earlier this month.

However, it has since emerged that Microsoft was told about it in October, nearly six months ago.

A report from the Reuters news agency notes that security researcher Ryan Hanson at Optiv first discovered the problem in July 2016.

Microsoft could have notified customers to make a change to settings in Word that would have prevented the vulnerability from being exploited – but that would also have alerted hackers to its existence.

The decision to wait for a patch seems to have allowed a window of opportunity for hackers to discover the flaw on their own.


In March, cyber-security company FireEye noticed financial hacking software…

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