CVE intelligence

CVE-2026-0304

Vulnerability intelligence

Published Sep 10, 2026Sources checked Oct 27, 2026

4.8MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-0304 and is rated Medium severity with a CVSS score of 4.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Palo Alto Networks Security Advisories guidance

Vendor revision: Sep 9, 2026

Vendor remediation details

This issue is fixed in Cortex XDR Broker VM 32.0.52, and all later Cortex XDR Broker VM versions. * If automatic upgrades are enabled for Broker VM, then no action is required at this time. * If automatic upgrades are not enabled for Broker VM, then we recommend that you do so to ensure that you always have the latest security patches installed in your software

Vendor-listed releases

Cortex XDR Broker VM 20.0.96 >= 32.0.52

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-0304?

A privilege escalation vulnerability in Palo Alto Networks Cortex XDR Broker VM enables an authenticated low privileged user with man-in-the-middle (MitM) access to execute code with root privileges on the Broker VM.

Source: NVD