CVE-2026-18681
Medium
Description
IBM Server 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 firmware update process. An attacker with authenticated administrator-level access to the FSP can, under specific conditions, execute arbitrary code, resulting in a confidentiality, integrity, and availability impact.
SeverityMedium
CVSS6.8
Exploit probability—
Product
Ibm Power System S922 \(9009-22g\) Firmware
PublishedAug 19, 2026
First seenAug 19, 2026
Weakness typeCWE-121CWE-121
How to fix
Update
- ibm power_system_s922_\(9009-22g\)_firmwarefw950.h3 or later
- ibm power_system_h922_\(9223-22s\)_firmwarefw950.h3 or later
- ibm power_system_s914_\(9009-41g\)_firmwarefw950.h3 or later
- ibm power_system_s924_\(9009-42g\)_firmwarefw950.h3 or later
- ibm power_system_h924_\(9223-42s\)_firmwarefw950.h3 or later
- ibm power_system_e950_\(9040-mr9\)_firmwarefw950.h3 or later
- ibm power_system_e980_\(9080-m9s\)_firmwarefw950.h3 or later
- ibm power_system_e1080_\(9080-hex\)_firmwarefw1060.81 or later
- ibm power_system_e1180_\(9080-heu\)_firmwarefw1110.31 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm power_system_s922_\(9009-22g\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_h922_\(9223-22s\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_s914_\(9009-41g\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_s924_\(9009-42g\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_h924_\(9223-42s\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_e950_\(9040-mr9\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_e980_\(9080-m9s\)_firmware | fw950.00 ≤ v < fw950.h3 | fw950.h3 |
| ibm power_system_e1080_\(9080-hex\)_firmware | fw1060.00 ≤ v < fw1060.81 | fw1060.81 |
| ibm power_system_e1180_\(9080-heu\)_firmware | fw1110.00 ≤ v < fw1110.31, fw1120.00 | fw1110.31 |
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