28 April 2014

Microsoft has issued a security advisory warning about a critical vulnerability affecting all versions of Internet Explorer.

The vulnerability is known to be targeted by cyber criminals. You should take action to ensure you will not be affected.

The vulnerability could be exploited if an attacker can gain access to your computer, or if you visit a malicious website using one of the affected versions of Internet Explorer.

Microsoft advises that it is currently investigating the issue and will take appropriate action (such as releasing a patch) as soon as possible. In the meantime it suggests a work around for users who wish to continue using Internet Explorer. This includes deploying the Enhanced Mitigation Experience Toolkit (EMET) or by setting your Internet Explorer ‘Security Zone’ settings to ‘High’.

You can find this in Tools > Internet Options > Security tab. Changing your Security Zone to high may affect your ability to access components of some websites.

A more simple alternative solution is to download and install a different browser such as Google Chrome or Mozilla Firefox until this issue is resolved.

More information

Microsoft’s advisory and recommendations about the vulnerability.

Stay Smart Online advice on securing your computer.

The information provided here is of a general nature. Everyone's circumstances are different. If you require specific advice you should contact your local technical support provider.


Thank you to those subscribers who have provided feedback to our Alerts and Newsletters. We are very interested in your feedback and where possible take on board your suggestions or requests.


This information has been prepared by Enex TestLab for the Department of Communications ('the Department'). It was accurate and up to date at the time of publishing.

This information is general information only and is intended for use by private individuals and small to medium sized businesses. If you are concerned about a specific cyber security issue you should seek professional advice.

The Commonwealth, Enex TestLab, and all other persons associated with this advisory accept no liability for any damage, loss or expense incurred as a result of the provision of this information, whether by way of negligence or otherwise.

Nothing in this information (including the listing of a person or organisation or links to other web sites) should be taken as an endorsement of a particular product or service.

Please note that third party views or recommendations included in this information do not reflect the views of the Commonwealth, or indicate its commitment to a particular course of action. The Commonwealth also cannot verify the accuracy of any third party material included in this information.


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