Buffer overflow in Palo Alto Networks Globalprotect App
CVE-2026-0250
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.
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: 0.004 (32.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Palo Alto Networks Globalprotect App — versions 6.3.0, 6.2.0, 6.1
- Palo Alto Networks Globalprotect Uwp App — versions 6.3
- Paloaltonetworks Globalprotect — versions 6.2.8, 6.3.3
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2026-0250 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0250?
- CVE-2026-0250 is a high-severity vulnerability in Palo Alto Networks Globalprotect App, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-05-13.
- How severe is CVE-2026-0250?
- High severity. CVSS v3 base score is 8.1 out of 10.