CVE-2021-34527: PrintNightmare
What is PrintNightmare?
A privilege escalation and RCE vulnerability in the Windows Print Spooler service. Authenticated attackers can execute code with SYSTEM privileges by installing a malicious printer driver — remotely or locally.
Impact & Exploitation
Affected every Windows system with Print Spooler enabled (nearly all). Exploit was accidentally disclosed by researchers. Enabled privilege escalation to SYSTEM on any domain-joined machine.
Precogs Research
This vulnerability intelligence report was analyzed and enriched by the Precogs AI Security Team. Our researchers continuously monitor emerging threats across AI code, LLM pipelines, and binary architectures to ensure accurate real-time remediation guidance.