Cortex XDR Broker VM: Privilege Escalation Vulnerability (CVE-2026-0304) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-0304

Cortex XDR Broker VM: Privilege Escalation Vulnerability

Answer in brief

CVE-2026-0304 records a Unknown severity vulnerability in Cortex XDR Broker VM: Privilege Escalation Vulnerability. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Cortex XDR Broker VM (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 10, 2026Updated Sep 10, 2026Source checked Sep 10, 2026First seen by HOL Sep 10, 2026Material review Sep 10, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Palo Alto Networks/Cortex XDR Broker VM (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Palo Alto Networks/Cortex XDR Broker VMgeneric	>=20.0.96 <32.0.52	32.0.52

Recommended response

Check inventory. Check lockfiles and deployed manifests for Palo Alto Networks/Cortex XDR Broker VM.
Review the reported fix. Update Palo Alto Networks/Cortex XDR Broker VM to 32.0.52 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 10, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 10, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 10, 2026

Sources and claim methodology

Source referencesecurity.paloaltonetworks.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.