India, Oct. 15 -- Hackers have already been getting away with exploiting two recently uncovered Windows zero-days, which made it into Microsoft's Patch Tuesday in September, a batch of 170 updates designed to plug the holes. This big one's a Patch Tuesday update, which covered a whole load of issues with the Windows kernel right up to Azure. Anything less than a total update would have just been an invitation to trouble giving attackers an open door to cause chaos. If you think leaving Windows Updates to one side is harmless, erase that thought fast! The vulnerabilities that got fixed are bad news, and they're spreading fast. Here are the nasty bits that got patched, and why you need to wake up to what's going on NOW.

Microsoft has just ...