Reuters: The bug was unusually dangerous but of a common genre: it was in Microsoft software, could allow a hacker to seize control of a personal computer with little trace, and was fixed April 11 in Microsoft's regular monthly security update. by Joseph Menn
'But it had traveled a rocky, nine-month journey from discovery to resolution, which cyber security experts say is an unusually long time.
'Google's security researchers, for example, give vendors just 90 days' warning before publishing flaws they find. Microsoft Corp (MSFT.O) declined to say how long it usually takes to patch a flaw.
'While Microsoft investigated, hackers found the flaw and manipulated the software to spy on unknown Russian speakers, possibly in Ukraine.'