GlobalProtect App: Local Denial of Service (DoS) on Windows

Summary

CVECVE-2026-0314
StatePUBLISHED
Assignerpalo_alto
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-14 21:17:18 UTC
Updated2026-10-15 19:17:11 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 4.3 MEDIUM from [email protected]

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber

Problem Types: CWE-843 | CWE-843 CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary4.3MEDIUMCVSS: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/C...
4.0CNACVSS4.3MEDIUMCVSS: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/A...

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Palo Alto Networks GlobalProtect App affected 6.3.0 6.3.3-h16 custom Windows
CNA Palo Alto Networks GlobalProtect App affected 6.2.0 6.2.8-h15 custom Windows
CNA Palo Alto Networks GlobalProtect App affected 6.0.0 6.0.15 custom Windows
CNA Palo Alto Networks GlobalProtect App unaffected All 12.2.4 custom Linux, macOS, iOS, Android, Chrome OS

References

ReferenceSourceLinkTags
security.paloaltonetworks.com/CVE-2026-0314 [email protected] security.paloaltonetworks.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Artemy Tsetsersky (en)

CNA: an internal security researcher (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-14T16:00:00.000ZInitial Publication.

Solutions

CNA: VersionMinor VersionSuggested SolutionGlobalProtect App 6.3 on Windows6.3.0 through 6.3.3-h15 Upgrade to 6.3.3-h16 (6.3.3-1199) or later.GlobalProtect App 6.2 on Windows6.2.0 through 6.2.8-h14Upgrade to 6.2.8-h15 (6.2.8-1084) or later.GlobalProtect App 6.0 on Windows6.0.0 through 6.0.14Upgrade 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

CNA: No known workarounds exist for this issue.

Exploits

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

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