CVE-2026-0276 PUBLISHED

Cortex XDR Broker VM: Privilege Escalation (PE) Vulnerability

Assigner: palo_alto
Reserved: 03.11.2025 Published: 09.07.2026 Updated: 10.07.2026

A privilege escalation vulnerability in Palo Alto Networks Cortex® XDR Broker VM enables a locally authenticated user to perform actions as the root user.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
CVSS Score: 1.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Palo Alto Networks
Product	Cortex XDR Broker VM
Versions	Default: unaffected affected from 20.0.96 to 31.0.58 (excl.)

Exploits

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Credits

Palo Alto Networks thanks Martin Rougeron for discovering and reporting this issue finder

References

https://security.paloaltonetworks.com/CVE-2026-0276

Problem Types

CWE-269 — Improper Privilege Management CWE

Impacts

CAPEC-233 Privilege Escalation