CVE-2023-6138: HP z440 Workstation Firmware

High severity, CVSS 7.9. EPSS: 0.2% chance of exploitation in the next 30 days.

A potential security vulnerability has been identified in the system BIOS for certain HP Workstation PCs, which might allow escalation of privilege, arbitrary code execution, or denial of service. HP is releasing mitigation for the potential vulnerability.

Affected products

• HP z440 Workstation Firmware: before 2.62 (fixed in 2.62)
• HP z640 Workstation Firmware: before 2.62 (fixed in 2.62)
• HP z840 Workstation Firmware: before 2.62 (fixed in 2.62)

Published 2024-02-14. Last modified 2026-06-17.