Microsoft Corp (MSFT) warned a newly discovered bug in its Internet Explorer web browser makes PCs vulnerable to attack by hackers and urged customers to download a piece of security software to mitigate the risk of infection. The security flaw affects hundreds of millions of Internet Explorer browser users. Microsoft said attackers can exploit the bug to infect the PC of somebody who visits a malicious website and then take control of the victim’s computer. The software maker advised customers on its website late on Monday to install the security software as an interim measure, buying it time to fix [...]