CVE-2026-16832
Power System Buffer Overflow
CVSS Score
8.4
EPSS Score
0.0%
EPSS Percentile
0th
IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP management network protocol. An attacker with authenticated HMC administrator access can execute arbitrary code on the service processor, giving full control over the managed system, resulting in a confidentiality, integrity, and availability impact.
| CWE | CWE-121 |
| Vendor | ibm |
| Product | power systems firmware |
| Published | Aug 19, 2026 |
| Last Updated | Aug 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / Power Systems Firmware
FW1120.00 FW1110.00 ≤ FW1110.30 FW1060.00 ≤ FW1060.80 FW950.00 ≤ FW950.H2