It appeared the PrintNightmare situation was solved on Patch Tuesday when Microsoft released a change that was supposed to solve the issue. However, it seems that PrintNightmare is anything but over.
The new zero-day print spooler vulnerability has been discovered. It’s being tracked as CVE-2021-36958, and it appears to allow hackers to gain SYSTEM access privileges on a Windows PC.
Like previous exploits, this one attacks settings for the Windows print spooler, Windows print drivers, and Windows Point and Print.