Palo Alto NetworksCVE-2026-0298
Palo Alto Networks GlobalProtect App: improper input validation
Medium5.2CVE-2026-0298 · Published Aug 13, 2026 · updated Sep 10, 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.
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
More Palo Alto Networks advisories
All Palo Alto Networks| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 13 | Palo Alto Networks Cloud NGFW: information disclosure | Low1.7 | 11.1.16-h1+2 more |
| Aug 13 | Palo Alto Networks GlobalProtect App: buffer overflow | Medium5.2 | 6.3.3-h15+4 more |
| Aug 13 | Palo Alto Networks GlobalProtect App: privilege escalation | Medium5.9 | 6.3.3-h15+3 more |
| Aug 13 | Palo Alto Networks Prisma: local attacker could bypass the anti-tamper... | Medium5.6 | 26.3 |
| Aug 13 | Palo Alto Networks Prisma Access Agent: privilege escalation | Medium6.0 | 26.3 |
| Aug 13 | Palo Alto Networks GlobalProtect App: race condition | Medium4.1 | 6.3.3-h14 (6.3.3-1121)+2 more |