[Palo Alto Networks Security Advisories] CVE-2026-0314 GlobalProtect App: Local Denial of Service (DoS) on Windows

Palo Alto Networks Security Advisories / CVE-2026-0314 CVE-2026-0314 GlobalProtect App: Local Denial of Service (DoS) on Windows UrgencyMODERATE 0 4 7 9 10 Severity4.3 ·MEDIUM Exploit Maturity UNREPORTED Response Effort MODERATE Recovery USER Value Density DIFFUSE Attack Complexity LOW Attack Requirements NONE Automatable NO User Interaction NONE Product Confidentiality NONE Product Integrity NONE Product Availability HIGH Privileges Required LOW Subsequent Confidentiality NONE Subsequent Integrity NONE Subsequent Availability NONE CVE JSON CSAF Published Updated Discovered externally Description A type confusion vulnerability in Palo Alto Networks GlobalProtect™ app on Windows enables a local user with low privileges to cause a denial of service (DoS) condition. The GlobalProtect™ app on Linux, macOS, iOS, Android, and Chrome OS is not affected by this vulnerability. Product Status Versions Affected Unaffected GlobalProtect App 6.3 = 6.3.3-h16 (6.3.3-1199) on Windows GlobalProtect App 6.2 = 6.2.8-h15 (6.2.8-1084) on Windows GlobalProtect App 6.0 = 6.0.15 on Windows GlobalProtect App None on Linux None on macOS None on iOS None on Android None on Chrome OS All on Linux All on macOS All on iOS All on Android All on Chrome OS Required Configuration for Exposure No special configuration is required to be affected by this issue. Severity:MEDIUM, Suggested Urgency:MODERATE CVSS-BT: 4.3 / CVSS-B: 6.8 ( CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber ) Exploitation Status Palo Alto Networks is not aware of any malicious exploitation of this issue. Weakness Type and Impact CWE-843 Access of Resource Using Incompatible Type (‘Type Confusion’) CAPEC-153 Input Data Manipulation Solution Version Minor Version Suggested Solution GlobalProtect App 6.3 on Windows 6.3.0 through 6.3.3-h15 Upgrade to 6.3.3-h16 (6.3.3-1199) or later. GlobalProtect App 6.2 on Windows 6.2.0 through 6.2.8-h14 Upgrade to 6.2.8-h15 (6.2.8-1084) or later. GlobalProtect App 6.0 on Window s 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later. GlobalProtect App on Linux No action needed. GlobalProtect App on macOS No action needed. GlobalProtect App on iOS No action needed. GlobalProtect App on Android No action needed. GlobalProtect App on Chrome OS No action needed. All older unsupported GlobalProtect App versions Upgrade to a supported fixed version. Workarounds and Mitigations No known workarounds exist for this issue. Acknowledgments Palo Alto Networks thanks Artemy Tsetsersky and an internal security researcher for discovering and reporting this issue. CPEs cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.3:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.2:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.1:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.0:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.8:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.7:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.6:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.4:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.3:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.2:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.1:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.0:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.14:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.13:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.12:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.11:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.10:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.8:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.7:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.6:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.5:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.4:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.3:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.2:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.1:*:*:*:*:Windows:*:* cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.0:*:*:*:*:Windows:*:* Show More Show Less CPE Applicability cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Windows:*:* is vulnerable from (including)6.3.3 and up to (excluding)6.3.3-h16 OR cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Windows:*:* is vulnerable from (including)6.2.8 and up to (excluding)6.2.8-h15 OR cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Windows:*:* is vulnerable from (including)6.0.0 and up to (excluding)6.0.15 Timeline Initial Publication.

CVE-2026-0314 GlobalProtect App: Local Denial of Service (DoS) on Windows

A type confusion vulnerability in Palo Alto Networks GlobalProtect™ app on Windows enables a local user with low privileges to cause a denial of service (DoS) condition. The GlobalProtect™ app on Linux, macOS, iOS, Android, and Chrome OS is not affected by this vulnerability.

Required Configuration for Exposure

No special configuration is required to be affected by this issue.

Severity:MEDIUM, Suggested Urgency:MODERATE

CVSS-BT: 4.3 / CVSS-B: 6.8 ( CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber )

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Weakness Type and Impact

CWE-843 Access of Resource Using Incompatible Type (‘Type Confusion’)

CAPEC-153 Input Data Manipulation

Workarounds and Mitigations

No known workarounds exist for this issue.

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.3:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.2:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.1:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.0:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.8:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.7:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.6:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.4:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.3:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.2:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.1:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.0:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.14:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.13:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.12:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.11:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.10:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.8:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.7:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.6:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.5:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.4:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.3:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.2:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.1:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:6.0.0:*:*:*:*:Windows:*:*

cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Windows:*:* is vulnerable from (including)6.3.3 and up to (excluding)6.3.3-h16

OR cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Windows:*:* is vulnerable from (including)6.2.8 and up to (excluding)6.2.8-h15

OR cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Windows:*:* is vulnerable from (including)6.0.0 and up to (excluding)6.0.15

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