CVE-2026-0250 GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway
A man-in-the-middle attacker can trigger a buffer overflow in the GlobalProtect app to execute arbitrary code with SYSTEM privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0250?
CVE-2026-0250 is a medium-severity memory corruption vulnerability in Palo Alto Networks GlobalProtect App, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2026-0250?
It affects 1 product.
Products include Paloaltonetworks Globalprotect.
How do I fix CVE-2026-0250?
No fix has been published for CVE-2026-0250 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-0250 being exploited?
There is no known exploitation of CVE-2026-0250 in the wild and no public exploit code.
Other vulnerabilities in Palo Alto Networks GlobalProtect App
- CVE-2025-4232 GlobalProtect: Authenticated Code Injection Through Wildcard on macOS
- CVE-2021-3057 GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
- CVE-2023-0009 GlobalProtect App: Local Privilege Escalation (PE) Vulnerability
- CVE-2022-0016 GlobalProtect App: Privilege Escalation Vulnerability When Using Connect Before Logon
- CVE-2025-0120 GlobalProtect App: Local Privilege Escalation (PE) Vulnerability
Sources
Also known as GHSA-mv4m-c9mp-36jr.