CVE-2026-0250

MEDIUM

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

Title source: cna

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

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

Scores

CVSS v4 5.2

EPSS 0.0021

EPSS Percentile 10.9%

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (9)

Palo Alto Networks/GlobalProtect App 6.0 - 6.0.13

Palo Alto Networks/GlobalProtect App 6.0 - 6.0.14

Palo Alto Networks/GlobalProtect App 6.0.0 - 6.0.11

Palo Alto Networks/GlobalProtect App 6.1 - 6.1.13

Palo Alto Networks/GlobalProtect App 6.2.0 - 6.2.8-h10 (6.2.8-948)

Palo Alto Networks/GlobalProtect App 6.3.0 - 6.3.3-h2 (6.3.3-42)

Palo Alto Networks/GlobalProtect App 6.3.0 - 6.3.3-h9 (6.3.3-999)

Palo Alto Networks/GlobalProtect App All

Palo Alto Networks/GlobalProtect UWP App 6.3 - 6.3.3-h10

Published May 13, 2026

Tracked Since May 14, 2026