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

Published May 13, 2026
·
Updated

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.

Affected Software

54 affected componentsFixes available
Palo Alto Networks GlobalProtect
All of the following
Palo Alto Networks GlobalProtect App<6.3.3-h9, =6.3.0, <6.2.8-h10, =6.2.0
6.3.3-h96.2.8-h10
Microsoft Windows*
All of the following
Palo Alto Networks GlobalProtect App<6.3.3-h9, =6.3.0, <6.2.8-h10, =6.2.0
6.3.3-h96.2.8-h10
Apple macOS*
All of the following
Palo Alto Networks GlobalProtect App<6.1.14, =6.1, <6.3.4, =6.3
6.1.146.3.4
Google Android*
All of the following
Palo Alto Networks GlobalProtect App<6.3.3-h3, =6.3.0, <6.0.12, =6.0.0
6.3.3-h36.0.12
Linux Linux*
All of the following
Palo Alto Networks GlobalProtect App<6.0.13, =6.0
6.0.13
Microsoft Windows*
All of the following
Palo Alto Networks GlobalProtect App<6.0.13, =6.0
6.0.13
Apple macOS*
All of the following
Palo Alto Networks GlobalProtect App<6.0.15, =6.0
6.0.15
Google Android*
All of the following
Palo Alto Networks GlobalProtect UWP App<6.3.3-h10, =6.3
6.3.3-h10
Microsoft Windows*
All of the following
Palo Alto Networks GlobalProtect App
Apple iOS*
Palo Alto Networks Globalprotect Linux>=6.0.0<6.0.12
Palo Alto Networks Globalprotect Macos>=6.0.0<6.0.13
Palo Alto Networks Globalprotect Windows>=6.0.0<6.0.13
Palo Alto Networks Globalprotect Android>=6.0.0<6.0.15
Palo Alto Networks Globalprotect Android>=6.1.0<6.1.14
Palo Alto Networks Globalprotect Macos>=6.2.0<6.2.8
Palo Alto Networks Globalprotect Windows>=6.2.0<6.2.8
Palo Alto Networks Globalprotect Universal Windows Platform>=6.3.0<6.3.3
Palo Alto Networks Globalprotect Windows>=6.3.0<6.3.3
Palo Alto Networks Globalprotect Android>=6.3.0<6.3.4
Palo Alto Networks Globalprotect Macos=6.2.8
Palo Alto Networks Globalprotect Windows=6.2.8
Palo Alto Networks Globalprotect Macos=6.2.8-h1
Palo Alto Networks Globalprotect Macos=6.2.8-h7
Palo Alto Networks Globalprotect Windows=6.2.8-h7
Palo Alto Networks Globalprotect Linux=6.3.3
Palo Alto Networks Globalprotect Macos=6.3.3
Palo Alto Networks Globalprotect Universal Windows Platform=6.3.3
Palo Alto Networks Globalprotect Windows=6.3.3
Palo Alto Networks Globalprotect Linux=6.3.3-h1
Palo Alto Networks Globalprotect Macos=6.3.3-h1
Palo Alto Networks Globalprotect Linux=6.3.3-h2
Palo Alto Networks Globalprotect Macos=6.3.3-h2
Palo Alto Networks Globalprotect Windows=6.3.3-h2
Palo Alto Networks Globalprotect Macos=6.3.3-h3
Palo Alto Networks Globalprotect Windows=6.3.3-h3
Palo Alto Networks Globalprotect Macos=6.3.3-h4
Palo Alto Networks Globalprotect Windows=6.3.3-h4
Palo Alto Networks Globalprotect Macos=6.3.3-h6
Palo Alto Networks Globalprotect Windows=6.3.3-h6
Palo Alto Networks Globalprotect Macos=6.3.3-h7
Palo Alto Networks Globalprotect Windows=6.3.3-h7
Palo Alto Networks Globalprotect Macos=6.3.3-h8
Palo Alto Networks Globalprotect Windows=6.3.3-h8
Palo Alto Networks Globalprotect Universal Windows Platform=6.3.3-h9

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.3-h9Fixed in 6.2.8-h10
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.14Fixed in 6.3.4
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.3-h3Fixed in 6.0.12
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.13
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.15
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.3-h10
  7. Upgrade

    Upgrade Palo Alto Networks GlobalProtect App to a version that resolves this vulnerability.

    Fixed in 6.0.14
  8. Upgrade

    Upgrade Palo Alto Networks GlobalProtect App to a version that resolves this vulnerability.

    Fixed in 6.1.14
  9. Upgrade

    Upgrade Palo Alto Networks GlobalProtect App to a version that resolves this vulnerability.

    Fixed in 6.3.4
  10. Upgrade

    Upgrade Palo Alto Networks GlobalProtect App to a version that resolves this vulnerability.

    Fixed in 6.0.11
  11. Upgrade

    Upgrade Palo Alto Networks GlobalProtect App to a version that resolves this vulnerability.

    Fixed in 6.0.13
  12. Upgrade

    Upgrade Palo Alto Networks GlobalProtect UWP App to a version that resolves this vulnerability.

    Fixed in 6.3.3-h10

Event History

May 13, 2026
Advisory Published
via Palo Alto Networks·04:00 PM
Data Sourced
via Palo Alto Networks·04:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:26 PM
Data Sourced
via MITRE·06:26 PM
DescriptionWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Jun 13, 2026
Advisory Published
via Palo Alto Networks·01:30 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-0250?

CVE-2026-0250 has been categorized with a medium severity level.

2

How do I fix CVE-2026-0250?

To fix CVE-2026-0250, ensure you update the Palo Alto Networks GlobalProtect app to the latest version released by the vendor.

3

What type of vulnerability is CVE-2026-0250?

CVE-2026-0250 is identified as a buffer overflow vulnerability.

4

What can attackers do with CVE-2026-0250?

Attackers can potentially disrupt system processes and execute arbitrary code through a man-in-the-middle attack exploiting CVE-2026-0250.

5

Which application is affected by CVE-2026-0250?

CVE-2026-0250 affects the Palo Alto Networks GlobalProtect app.

Company

Resources

Contact

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