SB2026091404 - Privilege escalation in Palo Alto Cortex XDR Broker VM
Published: September 14, 2026
Security Bulletin ID
SB2026091404
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Argument injection (CVE-ID: CVE-2026-0304)
CWE-ID: CWE-88 - Argument Injection or Modification
CVSSv4: 7.5 [CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the argument injection or modification issue. A remote user on the local network can perform a man-in-the-middle (MitM) attack to execute code with root privileges.
Remediation
Install update from vendor's website.