Microsoft releases emergency update to fix bugs from record September patch

Microsoft has begun rolling out an emergency out-of-band update to fix issues introduced by its September patch Tuesday release, which patched nearly 1,000 flaws. The September update, described as the company's biggest ever, created bugs affecting folder shares on Hyper-V systems and impacting businesses, developers, and gamers.

The emergency patch represents an effort to resolve stability and functionality problems that emerged after the initial large-scale security update.