CVE-2026-0304 MEDIUM

CVE-2026-0304: Cortex XDR Broker VM: Privilege Escalation Vulnerability

Vendor Palo Alto Networks
Product Cortex XDR Broker VM
Weakness CWE-88
Published September 10, 2026
Last update September 11, 2026

CVSS base score

4.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/AU:N/R:U/V:D/RE:M/U:Amber

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 10, 2026 CVE published
September 11, 2026 Record updated