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News : Microsoft warns of Internet Explorer flaw

Microsoft warns of Internet Explorer flaw

img11Microsoft has warned consumers that a vulnerability in its Internet Explorer browser could let hackers gain access and user rights to their computer.

The flaw affects Internet Explorer (IE) versions 6 to 11 and Microsoft said it was aware of “limited, targeted attacks” to exploit it.

According to NetMarket Share, the IE versions account for more than 50% of global browser market.

Microsoft says it is investigating the flaw and will take “appropriate” steps.cording to NetMarket Share, the IE versions account for more than 50% of global browser market.

The firm, which issued a security advisory over the weekend, said the steps “may include providing a solution through our monthly security update release process, or an out-of-cycle security update, depending on customer needs”.

XP impact

However, the issue may be of special concern to people still using the Windows XP operating system.

That is because Microsoft ended official support for that system earlier this month.

It means there will be no more official security updates and bug fixes for XP from the firm.

Cyber security firm Symantec said it had carried out tests which confirmed that “the vulnerability crashes Internet Explorer on Windows XP”.

“This will be the first zero day vulnerability that will not be patched for Windows XP users,” it added.

About 30% of all desktops are thought to be still running Windows XP and analysts have previously warned that those users would be vulnerable to attacks from cyber-thieves.

Microsoft has suggested businesses and consumers still using the system should upgrade to a newer alternative.

The flaw is the first major bug to impact Windows XP users after the end of official support

‘Complete control’

Microsoft said that hackers looking to exploit the flaw could host a “specially crafted website” containing content that can help them do so.

However, they would still need to convince users to view the website for them to be able to gain access to their computer.

They could do this by getting them to click on a link sent via an email or instant messenger, or by opening an attachment sent through an email.

However, a hacker would have “no way to force users” to view the content.

If successful, a hacker could gain the same rights as the computer’s current user.

“If the current user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system,” the firm warned.

“An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.”

But the firm added that Internet Explorer on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, and Windows Server 2012 R2 runs in a restricted mode, which “mitigates this vulnerability”.


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