CVE-2026-17429
Power System Incorrect Authorization
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 (Power9), and OP940.00 - OP940.81 (Power HMC) is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to the BMC/FSP can write arbitrary data to hardware control registers, allowing full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.
| CWE | CWE-863 |
| Vendor | ibm |
| Product | power systems firmware |
| Published | Aug 19, 2026 |
| Last Updated | Aug 19, 2026 |
Stay Ahead of the Next One
Get instant alerts for ibm power systems firmware
Be the first to know when new high vulnerabilities affecting ibm power systems firmware are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
High
Affected Versions
IBM / Power Systems Firmware
FW1120.00 FW1110.00 ≤ FW1110.30 FW1060.00 ≤ FW1060.80 FW950.00 ≤ FW950.H2 OP940.00 ≤ OP940.a1 OP940.00 ≤ OP940.81