Microsoft hopes to fix by May 8 a critical flaw in Windows Domain Name System (DNS) servers that is being exploited by online criminals, the company said late Tuesday.
Microsoft has been under pressure to address the flaw, reported last week, since software that exploits it has now been widely disseminated, and criminals are beginning to use it in attacks. On Monday, security experts confirmed that variants of the Rinbot worm (also called Nirbot by some vendors) had been scanning networks for vulnerable systems and then attempting to exploit the DNS bug.
Microsoft characterizes the level of attacks as "not widespread."
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