15 of the 85 vulnerabilities addressed in the October Patch Tuesday are rated Critical in severity, while two are zero-day bugs, one of which is being actively exploited in the wild.
The computing giant didn't fix ProxyNotLogon in October's Patch Tuesday, but it disclosed a rare 10-out-of-10 bug and patched two other zero-days, including one being exploited.
Microsoft has released patches for 84 vulnerabilities in its products on its monthly Patch Tuesday, but failed to deliver fixes for two zero-day flaws.