Buffer Overflow in Palo Alto GlobalProtect Enables Code Exec (CVE-2026-0250)
CVE-2026-0250 Published on May 13, 2026
GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway
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.
Timeline
Initial Publication.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-0250 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-0250
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Affected Versions
Palo Alto Networks GlobalProtect App:- Version 6.3.0 and below 6.3.3-h9 (6.3.3-999) is affected.
- Version 6.2.0 and below 6.2.8-h10 (6.2.8-948) is affected.
- Version 6.1 and below 6.1.13 is affected.
- Version 6.3.0 and below 6.3.3-h2 (6.3.3-42) is affected.
- Version 6.0.0 and below 6.0.11 is affected.
- Version 6.0 and below 6.0.13 is affected.
- Version 6.0 and below 6.0.14 is affected.
- Version 6.3 and below 6.3.3-h10 is affected.
- Version All is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.