Word leaked out on Tuesday of a new vulnerability in recent versions of Windows that has the potential to unleash the kind of self-replicating attacks that allowed the WannaCry and NotPetya worms to cripple business networks around the world. The vulnerability exists in version 3.1.
https://arstechnica.com/information-technology/2020/03/windows-has-a-new-wormable-vulnerability-and-theres-no-patch-in-sight/
https://arstechnica.com/information-technology/2020/03/windows-has-a-new-wormable-vulnerability-and-theres-no-patch-in-sight/