Microsoft has released an emergency update for its Internet Explorer browser to fix a bug that cyber-thieves are known to be exploiting.
The bug could let attackers hijack a web browser and use their access to install malware, it warned.
Attackers are believed to have built booby-trapped webpages harbouring malicious code that infects visitors. In a description of the problem, Microsoft said versions nine to 11 were vulnerable.
Anyone regularly using Internet Explorer is being urged to download and apply the patch…