CVE-2022-0016: Palo Alto Networks Globalprotect

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

An improper handling of exceptional conditions vulnerability exists within the Connect Before Logon feature of the Palo Alto Networks GlobalProtect app that enables a local attacker to escalate to SYSTEM or root privileges when authenticating with Connect Before Logon under certain circumstances. This issue impacts GlobalProtect app 5.2 versions earlier than GlobalProtect app 5.2.9 on Windows and MacOS. This issue does not affect the GlobalProtect app on other platforms.

Affected products

• Palo Alto Networks Globalprotect: from 5.2, before 5.2.9 (fixed in 5.2.9)

Published 2022-02-10. Last modified 2026-06-17.