High · published August 13, 2026
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.
| Product | Versions | Fixed in |
|---|---|---|
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | ≥ 6.0.0, < 6.0.15 | 6.0.15 |
| paloaltonetworks/globalprotect | ≥ 6.2.0, < 6.2.8 | 6.2.8 |
| paloaltonetworks/globalprotect | ≥ 6.3.0, < 6.3.3 | 6.3.3 |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |
| paloaltonetworks/globalprotect | all versions | — |