2010-12-23: Advisory published
2011-01-12: Advisory updated
2011-02-09: Advisory updated
A critical vulnerability has been identified in Internet Explorer (all supported versions). If successfully exploited the vulnerability could allow remote code execution.
There is currently no relevant security update.
More details in Microsoft's Security Advisory.
Norman will update this web page when more information is available.
Microsoft has updated its Security Advisory with information about an available workaround: "Prevent the recursive loading of CSS style sheets in Internet Explorer". A special Fixit solution has been published by Microsoft.
Microsoft has published an update that solves this issue.
More information in Microsoft Security Bulletin MS11-003.
Norman strongly advices affected users to update their Internet Explorer with this security update.