PrintNightmare

security

A 2021 set of flaws in the Windows Print Spooler enabling remote code execution.

PrintNightmare abused the Print Spooler service, which runs with high privileges and is enabled by default, to run attacker code and escalate to system. It led to emergency patches and guidance to disable the spooler where not needed.

Also known as: PrintNightmare, CVE-2021-34527

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