CVE-2026-18681This Power System Buffer Overflow
Updated under an hour ago ()
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It affects IBM Server Firmware and 9 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ibm
- NVD analysis
- Analyzed
- Record last updated
- Aug 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
IBM Server Firmware ibm:power_systems_firmware | FW1120.00; from FW1110.00 through FW1110.30; from FW1060.00 through FW1060.80; from FW950.00 through FW950.H2 | CNA record |
ibm power_system_s922_(9009-22g)_firmware ibm:power_system_s922_(9009-22g)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_h922_(9223-22s)_firmware ibm:power_system_h922_(9223-22s)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_s914_(9009-41g)_firmware ibm:power_system_s914_(9009-41g)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_s924_(9009-42g)_firmware ibm:power_system_s924_(9009-42g)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_h924_(9223-42s)_firmware ibm:power_system_h924_(9223-42s)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_e950_(9040-mr9)_firmware ibm:power_system_e950_(9040-mr9)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_e980_(9080-m9s)_firmware ibm:power_system_e980_(9080-m9s)_firmware | from fw950.00 before fw950.h3 | NVD |
ibm power_system_e1080_(9080-hex)_firmware ibm:power_system_e1080_(9080-hex)_firmware | from fw1060.00 before fw1060.81 | NVD |
ibm power_system_e1180_(9080-heu)_firmware ibm:power_system_e1180_(9080-heu)_firmware | from fw1110.00 before fw1110.31; fw1120.00 | NVD |
References
- https://www.ibm.com/support/pages/node/7283899vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.