High severity · published Aug 13, 2026
CVE-2026-0297
GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake
8.1
CVSS
0.6%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
6.0.0 before 6.0.15; 6.0.0 before 6.0.15; 6.0.0 before 6.0.15; 6.0.0 before 6.0.15; 6.0.0 before 6.0.15; 6.0.0 before 6.0.15; +34 more · source: NVD
GA
GlobalProtect App · Palo Alto Networks
6.3.0 before 6.3.3-h15; 6.2.0; 6.0.0 before 6.0.15; 6.3.0 before 6.3.3-h14; 6.2.0 before 6.2.8-h13; 6.0.0 before 6.0.15; +2 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0297
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0297
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2026-0297
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