Pwnkit: CVE-2021-4034 (TryHackMe)
Nov 8, 2025 · 9 min read · CVE-2021-4034 — aka Pwnkit — is a high-severity local privilege escalation in the Polkit package that was present in Polkit releases dating back to 2009. Because Polkit is installed by default on most mainstream Linux distributions, this vulnerabilit...
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