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Palo Alto Networks Security AdvisoriesCVE-2026-0324

CVE-2026-0324: GlobalProtect App: Incorrect Privilege Management Vulnerability in OPSWAT MetaDefender Endpoint Security SDK on Windows

HighVendor CVSS 8.5 / 10 1 CVE Published Nov 11, 2026 at 5:00 PM UTC

Summary

An incorrect privilege management vulnerability in the OPSWAT MetaDefender Endpoint Security SDK used by the Palo Alto Networks GlobalProtect™ app on Windows devices allows a locally authenticated non-administrative Windows user to escalate their privileges to NT AUTHORITY\SYSTEM.

Products covered

  • MetaDefender Endpoint Security SDK

  • MetaDefender Endpoint Security SDK 4.3.0

Remediation

This issue is fixed in MetaDefender Endpoint Security SDK 4.3.4822 on Windows, and all later MetaDefender Endpoint Security SDK versions on Windows. To mitigate this issue in the GlobalProtect App on Windows update to one of the listed versions (these versions include the updated MetaDefender Endpoint Security SDK):

Version

Minor Version

Suggested Solution

GlobalProtect App 6.3 on Windows

6.3.0 through 6.3.3-h2

Upgrade to 6.3.3-h3 (6.3.3-711) or later.

GlobalProtect App 6.2 on Windows

6.2.0 through 6.2.8-h3

Upgrade to 6.2.8-h4 (6.2.8-317) or later.

GlobalProtect App on macOS

No action needed.

GlobalProtect App on Linux

No action needed.

GlobalProtect App on iOS

No action needed.

GlobalProtect App on Android

No action needed.

GlobalProtect UWP App

No action needed.

Vendor-listed fixes

  • MetaDefender Endpoint Security SDK 4.3.0 >= 4.3.4822 on Windows

CVEs in this advisory 1

Updates

  1. Published by Palo Alto Networks

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.