Vulnerability · Published Sep 10, 2026 · Assigned by palo_alto
CVE-2026-0304Cortex XDR Broker VM: Privilege Escalation Vulnerability
Medium 4.8
In plain English
A medium-severity argument injection in Cortex XDR Broker VM from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 4.0)4.8Medium
Exploit odds (30 days)0.3%top 71.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Palo Alto Networks | Cortex XDR Broker VM | 20.0.96 – before 32.0.52 |
Weakness: CWE-88 · 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
References
- https://security.paloaltonetworks.com/CVE-2026-0304 vendor-advisory