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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://security.paloaltonetworks.com/CVE-2026-0250 Vendor Advisory
Vendor advisories in the News 1
- CVE-2026-0250 GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway (Severity: MEDIUM) Palo Alto Networks Security Advisories · 2026-10-02
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.2 · paloaltonetworksNVD modified 2026-10-26 00:10
Affected (CPE criteria) 31
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:android:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:chrome:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:universal_windows_platform:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:-:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:-:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h1:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h7:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h7:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:universal_windows_platform:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h4:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h4:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h6:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h6:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h7:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h7:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h8:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h8:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h9:*:*:*:universal_windows_platform:*:*
References 1
- https://security.paloaltonetworks.com/CVE-2026-0250 Vendor Advisory