Advisoriesby IbisPalo Alto NetworksCVE-2026-0298
Palo Alto Networks GlobalProtect App: improper input validation
Fix: upgrade to 6.3.3-h14 or later (3 fixed versions below)
An improper input validation vulnerability exists in the Windows Pre-Logon Access Provider (PLAP) component of the Palo Alto Networks GlobalProtect™ app on Windows devices which enables a man-in-the-middle (MitM) attacker to execute arbitrary code with SYSTEM privileges on an affected client.
The GlobalProtect app on Linux, macOS, iOS, Android, and Chrome OS is not affected.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GlobalProtect App Product | >= 6.3.0, < 6.3.3-h14 | 6.3.3-h14 |
| >= 6.2.0, < 6.2.8-h13 | 6.2.8-h13 | |
| >= 6.0.0, < 6.0.15 | 6.0.15 |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-94