On its security blog, Microsoft acknowledged the discovery of the browser bug and said it was monitoring the situation.

BBC: NEWS | Technology | Browser bug could get early patch

The bug in the Internet Explorer browser was discovered by anti-spyware firm Sunbelt Software on 21 September.

BBC: NEWS | Technology | Browser bug could get early patch

Microsoft has released a temporary software fix for a newly discovered bug in its Internet Explorer web browser.

BBC: Microsoft warns on previously unseen IE bug

In multiple cases the company has sat on information about a vulnerability in the software for months, allowing attackers to take advantage of the bug to compromise users via invisible browser-based attacks.

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In a bid to solve the problem, bug reports about the exploit have been filed with major browser makers.

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The tool takes advantage of cross-site scripting, a common bug in Web sites that takes control of a user's browser when he or she clicks on a specially crafted link, or in some cases, simply visits a compromised page.

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Among some bug fixes, you can now make use of a built-in browser, "Send and Archive" messages, filter specific folders and labels, clear your spam and trash bins and even set which accounts you'd like to show or hide dock badges for.

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The update, version 3.0.1, also includes a host of bug fixes and improvements to ensure the user experience is better than ever, whatever browser or device you choose.

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On Wednesday, Microsoft released a security advisory warning users of active attacks using a previously unknown bug in Internet Explorer (IE) that affects users of versions six, seven of the browser.

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