Medium 4.3Published Sep 24, 2026

CVE-2026-18870This Power System update is being released to address

Updated under an hour ago (Oct 27, 2026, 11:20 AM ET)

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It affects IBM PowerVM Hypervisor and 26 other products. Add what you run to find out whether that includes you.

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Every CVE for IBM PowerVM Hypervisor

Exploited in the last 30 days

IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 could allow a remote attacker to obtain sensitive information due to an out-of-bounds read.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-125
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: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

IBM PowerVM Hypervisor ibm:powervm_hypervisor	from FW1120.00 through FW1120.01; from FW1110.00 through FW1110.31; from FW1060.00 through FW1060.81; from FW950.00 through FW950.H3	CNA record
ibm power_system_s1122_(9824-22a)_firmware ibm:power_system_s1122_(9824-22a)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_s1124_(9824-42a)_firmware ibm:power_system_s1124_(9824-42a)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_s1122s_(9824-22b)_firmware ibm:power_system_s1122s_(9824-22b)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_s1114_(9824-41b)_firmware ibm:power_system_s1114_(9824-41b)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_l1122_(9856-22h)_firmware ibm:power_system_l1122_(9856-22h)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_l1124_(9856-42h)_firmware ibm:power_system_l1124_(9856-42h)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_e1150_(9043-mru)_firmware ibm:power_system_e1150_(9043-mru)_firmware	from fw1110.00 before fw1110.32; from fw1120.00 before fw1120.02	NVD
ibm power_system_s1112_(9242-21b)_firmware ibm:power_system_s1112_(9242-21b)_firmware	from fw1120.00 before fw1120.02	NVD
ibm power_system_s1112_(9242-21t)_firmware ibm:power_system_s1112_(9242-21t)_firmware	from fw1120.00 before fw1120.02	NVD
1–10 of 27

References

References

https://www.ibm.com/support/pages/node/7289135	vendor-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.