CVE-2026-0307: GlobalProtect App: Local Privilege Escalation Vulnerabilities
CVE-2026-0307
Summary
A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man in the middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This vulnerability is triggered during the processing of requests and responses exchanged between Portal and Gateway.
The GlobalProtect app on iOS is not affected.
Products covered
GlobalProtect App
GlobalProtect UWP App
GlobalProtect App 6.3
GlobalProtect App 6.2
GlobalProtect App 6.1
GlobalProtect App 6.0
GlobalProtect UWP App 6.3
Remediation
Version | Minor Version | Suggested Solution |
|---|---|---|
GlobalProtect App 6.3 on Windows | 6.3.0 through 6.3.3-h8 | Upgrade to 6.3.3-h9 (6.3.3-999) or later. |
GlobalProtect App 6.2 on Windows | 6.2.0 through 6.2.8-h9 | Upgrade to 6.2.8-h10 (6.2.8-948) or later. |
GlobalProtect App 6.0 on Windows | 6.0.0 through 6.0.12 | Upgrade to 6.0.13 or later. |
GlobalProtect App 6.0 on Linux | 6.0.0 through 6.0.14 | Upgrade to 6.0.15 or later. |
GlobalProtect App 6.2/6.3 on Linux | 6.2.0 through 6.3.3-h14 | Upgrade to 6.3.3-h15 or later. |
GlobalProtect App 6.3 on macOS | 6.3.0 through 6.3.3-h8 | Upgrade to 6.3.3-h9 (6.3.3-999) or later. |
GlobalProtect App 6.2 on macOS | 6.2.0 through 6.2.8-h9 | Upgrade to 6.2.8-h10 (6.2.8-948) or later. |
GlobalProtect App 6.0 on macOS | 6.0.0 through 6.0.12 | Upgrade to 6.0.13 or later. |
GlobalProtect App 6.3 on Android | 6.3.0 through 6.3.4 | Upgrade to 6.3.5 or later. |
GlobalProtect App 6.1 on Android | 6.1.0 through 6.1.13 | Upgrade to 6.1.14 or 6.3.4 or later. |
GlobalProtect App 6.0 on Android | 6.0.0 through 6.0.13 | Upgrade to 6.0.14 or 6.1.14 or 6.3.4 or later. |
GlobalProtect App 6.3 on ChromeOS | 6.3.0 through 6.3.4 | Upgrade to 6.3.5 or later. |
GlobalProtect App 6.1 on ChromeOS | 6.1.0 through 6.1.13 | Upgrade to 6.1.14 or 6.3.4 or later. |
GlobalProtect App 6.0 on ChromeOS | 6.0.0 through 6.0.13 | Upgrade to 6.0.14 or 6.1.14 or 6.3.4 or later. |
GlobalProtect UWP App | 6.1.0 through 6.3.3-h9 | Upgrade to 6.3.3-h10 or later. |
GlobalProtect App on iOS | No action needed |
Vendor-listed fixes
GlobalProtect App 6.3 >= 6.3.3-h9 on Windows, >= 6.3.3-h9 on macOS, >= 6.3.5 on Android, >= 6.3.5 on ChromeOS, >= 6.3.3-h15 on Linux (ETA: 10/06)
GlobalProtect App 6.2 >= 6.2.8-h10 on Windows, >= 6.2.8-h10 on macOS
GlobalProtect App 6.1 >= 6.1.14 on Android, >= 6.1.14 on ChromeOS
GlobalProtect App 6.0 >= 6.0.15 on Linux (ETA: 10/29), >= 6.0.13 on Windows, >= 6.0.13 on macOS, >= 6.0.15 on Android (ETA: 10/29), >= 6.0.15 on ChromeOS (ETA: 10/29)
GlobalProtect UWP App 6.3 >= 6.3.3-h10 on Windows
GlobalProtect App All on iOS
CVEs in this advisory 1
Update history
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- Added fixed versions: GlobalProtect App 6.3 >= 6.3.3-h9 on Windows, >= 6.3.3-h9 on macOS, >= 6.3.5 on Android, >= 6.3.5 on ChromeOS, >= 6.3.3-h15 on Linux (ETA: 10/06).
- Removed fixed versions: GlobalProtect App 6.3 >= 6.3.3-h9 on Windows, >= 6.3.3-h9 on macOS, >= 6.3.5 on Android, >= 6.3.5 on ChromeOS, >= 6.3.3-h15 on Linux (ETA: 09/17).
Updates
- Published by Palo Alto Networks
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Updated by Palo Alto Networks
The vendor changed the advisory after it was first published.
- Confirmed at the source
Our collector saw this advisory during a later source check.