Buffer overflow in Palo Alto Networks Globalprotect App
CVE-2026-0297
A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man-in-the-middle (MitM) attacker or a rogue gateway to disrupt system processes and potentially execute arbitrary code with elevated privileges (SYSTEM privileges on Windows, and root privileges on macOS and Linux).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Palo Alto Networks Globalprotect App — versions 6.3.0, 6.2.0, 6.0.0
- Paloaltonetworks Globalprotect — versions 6.2.8, 6.3.3
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2026-0297 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0297?
- CVE-2026-0297 is a high-severity vulnerability in Palo Alto Networks Globalprotect App, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-08-13.
- How severe is CVE-2026-0297?
- High severity. CVSS v3 base score is 8.1 out of 10.