High severity · published Jul 9, 2026
CVE-2026-0276
Cortex XDR Broker VM: Privilege Escalation (PE) Vulnerability
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
A privilege escalation vulnerability in Palo Alto Networks Cortex® XDR Broker VM enables a locally authenticated user to perform actions as the root user.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CX
Cortex XDR Broker VM · Palo Alto Networks
20.0.96 before 31.0.58 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0276
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0276
Vendor Advisory
https://security.paloaltonetworks.com/CVE-2026-0276
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