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Global virus fear prompts update for old Windows


The Wannacry worm locked up thousands of computers all over the world

Fears of a massive global computer virus outbreak have prompted Microsoft to issue security updates for very old versions of its Windows software.

One patch is for Windows XP, which debuted in 2001 and Microsoft stopped supporting in 2014.

Microsoft said the patch closed a hole that could be used to spread a virus.

Malicious hackers exploiting it could kick off a worldwide outbreak like the 2017 Wannacry worm, which hit thousands of machines.

Risky connection

It was “highly likely” the vulnerability would be exploited if it went unpatched, wrote Simon Pope, Microsoft’s director of incident response, in a blog about the bug.

He said the bug could be exploited simply by connecting to a vulnerable machine over the internet.

“Any future malware that exploits this vulnerability could propagate from vulnerable computer to vulnerable computer in a similar way as the WannaCry malware spread across the globe in 2017,” he said.

This danger prompted the release of a patch that closes the loophole in:

  • Windows XP
  • Windows 2003
  • Windows 7
  • Windows Server 2008

Market industry data suggests about 3.75% of desktop machines currently use XP or its variants.

Technology news site Wired said the wide range of vulnerable versions of Windows meant “millions” of machines were at risk.

Microsoft no longer supports Windows XP but many people and companies still use it

Although Microsoft ended support for Windows XP more than five years ago, the last software patch it issued for the operating system was released just prior to the Wannacry outbreak.

“We strongly advise that all affected systems… should be updated as soon as possible,” said Mr Pope.

Microsoft said there was no evidence that cyber-criminals were currently exploiting the loophole.

People and organisations using Windows 8 or 10 were not at risk, Microsoft said.

Independent security expert Graham Cluley saidthe creation of the patch for XP showed the threat of a virulent worm was “serious”.

Many old and vulnerable systems were still “riskily” connected to the internet, he said, urging people to update swiftly.

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