CVE-2026-16832 json
Power System Buffer Overflow
published 2mo ago modified 2mo ago also EUVD-2026-62690
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm power_system_e1080_(9080-hex)_firmware fw1060.81
- ibm power_system_e1180_(9080-heu)_firmware fw1110.31
- ibm power_system_s922_(9009-22g)_firmware fw950.h3
- ibm power_system_h922_(9223-22s)_firmware fw950.h3
- ibm power_system_s914_(9009-41g)_firmware fw950.h3
- ibm power_system_s924_(9009-42g)_firmware fw950.h3
- ibm power_system_h924_(9223-42s)_firmware fw950.h3
- ibm power_system_e950_(9040-mr9)_firmware fw950.h3
- ibm power_system_e980_(9080-m9s)_firmware fw950.h3
- ibm.com/support/pages/node/7283895 advisory
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- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
Affected products
- IBM Power Systems Firmware
Classification
- Weakness
-
- CWE-121 Stack-based Buffer Overflow
References
-
ibm.com
/support/pages/node/7283895
vendor-advisory, patch
Sources
- CVE List CVE-2026-16832
- NVD CVE-2026-16832
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