CVE-2026-0250: GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway

High severity · published May 13, 2026

CVE-2026-0250

GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway

8.1

CVSS

0.4%

EPSS

On KEV

Description

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.

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)0.4% · higher than 33% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

PAN-OS · Palo Alto Networks

6.0.0 before 6.0.12; 6.0.0 before 6.0.13; 6.0.0 before 6.0.13; 6.0.0 before 6.0.15; 6.0.0 before 6.0.15; 6.1.0 before 6.1.14; +32 more · source: NVD

GlobalProtect App · Palo Alto Networks

6.3.0 before 6.3.3-h9 (6.3.3-999); 6.2.0 before 6.2.8-h10 (6.2.8-948); 6.1 before 6.1.13; 6.3.0 before 6.3.3-h2 (6.3.3-42); 6.0.0 before 6.0.11; 6.0 before 6.0.13; +1 more · source: vendor

GlobalProtect UWP App · Palo Alto Networks

6.3 before 6.3.3-h10 · source: vendor

Affected product

PAN-OS

Palo Alto Networks

All PAN-OS CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-0250

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-0250

Vendor Advisory

https://security.paloaltonetworks.com/CVE-2026-0250