What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.8 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-10 · updated 2026-09-11
• Weakness: CWE-88

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

• Palo Alto Networks Cortex XDR Broker VM: from 20.0.96 before 32.0.52 — fixed in 32.0.52

How to fix

Upgrade to a fixed version: Palo Alto Networks Cortex XDR Broker VM 32.0.52. Check the vendor advisory for mitigations.

In the news

• CVE-2026-0304 Cortex XDR Broker VM: Privilege Escalation Vulnerability (Severity: MEDIUM)

References

• https://security.paloaltonetworks.com/CVE-2026-0304

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