Although they do not exist security updates to deal with PrintNightmare At the moment, Microsoft has announced some measures that can prevent attackers from gaining control of vulnerable systems.
Right now company he is reportedly preparing something more official.
The company 0patch, released updates that solve the problem. According to the company, "some of the updates may not have been released yet, but will be released in the next few hours."
Our patches will be free until Microsoft has issued an official fix. If you want to use them, create a free account at https://t.co/wayCdhpc38, then install®ister 0patch Agent from https://t.co/UMXoQqpLQh. Everything else will happen automatically. No restarts needed.
- 0patch (@ 0patch) July 2, 2021
CISA also issued a notice to PrintNightmare prompting administrators to disable it service Windows Print Spooler on servers not used for printing.
Microsoft also recommends disabling the printing service on all Domain Controllers and Active Directory systems.
So until the official security updates are released, the 0patch updates will prevent intruders from breaking into your network using the empty PrintNightmare.