Palo Alto Networks GlobalProtect App Pre-Logon Access Provider channel accessible

Summaryinfo

A vulnerability, which was classified as very critical, was found in Palo Alto Networks GlobalProtect App. Impacted is an unknown function of the component Pre-Logon Access Provider. The manipulation results in channel accessible. This vulnerability was named CVE-2026-0298. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Palo Alto Networks GlobalProtect App (affected version not known). It has been classified as very critical. Affected is some unknown functionality of the component Pre-Logon Access Provider. The manipulation with an unknown input leads to a channel accessible vulnerability. CWE is classifying the issue as CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An improper input validation vulnerability exists in the Windows Pre-Logon Access Provider (PLAP) component of the Palo Alto Networks GlobalProtect™ app on Windows devices which enables a man-in-the-middle (MitM) attacker to execute arbitrary code with SYSTEM privileges on an affected client. The GlobalProtect app on Linux, macOS, iOS, Android, and Chrome OS is not affected.

The advisory is shared for download at security.paloaltonetworks.com. This vulnerability is traded as CVE-2026-0298 since 11/03/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/13/2026). The MITRE ATT&CK project declares the attack technique as T1557.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-57712). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Palo Alto Networks

Name

• GlobalProtect App

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion