{"id":"CVE-2026-18870","title":"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.","summary":"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.","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-125"],"vendor":"ibm","product":"power_system_s1122_(9824-22a)_firmware","affected":["power_system_s1122_(9824-22a)_firmware >= fw1110.00, < fw1110.32","power_system_s1122_(9824-22a)_firmware >= fw1120.00, < fw1120.02","power_system_s1124_(9824-42a)_firmware >= fw1110.00, < fw1110.32","power_system_s1124_(9824-42a)_firmware >= fw1120.00, < fw1120.02","power_system_s1122s_(9824-22b)_firmware >= fw1110.00, < fw1110.32","power_system_s1122s_(9824-22b)_firmware >= fw1120.00, < fw1120.02","power_system_s1114_(9824-41b)_firmware >= fw1110.00, < fw1110.32","power_system_s1114_(9824-41b)_firmware >= fw1120.00, < fw1120.02","power_system_l1122_(9856-22h)_firmware >= fw1110.00, < fw1110.32","power_system_l1122_(9856-22h)_firmware >= fw1120.00, < fw1120.02","power_system_l1124_(9856-42h)_firmware >= fw1110.00, < fw1110.32","power_system_l1124_(9856-42h)_firmware >= fw1120.00, < fw1120.02","power_system_e1150_(9043-mru)_firmware >= fw1110.00, < fw1110.32","power_system_e1150_(9043-mru)_firmware >= fw1120.00, < fw1120.02","power_system_s1112_(9242-21b)_firmware >= fw1120.00, < fw1120.02","power_system_s1112_(9242-21t)_firmware >= fw1120.00, < fw1120.02","power_system_e1080_(9080-hex)_firmware >= fw1060.00, < fw1060.82","power_system_s1022_(9105-22a)_firmware >= fw1060.00, < fw1060.82","power_system_s1024_(9105-42a)_firmware >= fw1060.00, < fw1060.82","power_system_s1022s_(9105-22b)_firmware >= fw1060.00, < fw1060.82","power_system_s1014_(9105-41b)_firmware >= fw1060.00, < fw1060.82","power_system_l1022_(9786-22h)_firmware >= fw1060.00, < fw1060.82","power_system_l1024_(9786-42h)_firmware >= fw1060.00, < fw1060.82","power_system_e1050_(9043-mrx)_firmware >= fw1060.00, < fw1060.82","power_system_s1012_(9028-21b)_firmware >= fw1060.00, < fw1060.82","power_system_e1180_(9080-heu)_firmware >= fw1110.00, < fw1110.32","power_system_e1180_(9080-heu)_firmware >= fw1120.00, < fw1120.02","power_system_s922_(9009-22g)_firmware >= fw950.00, < fw950.h4","power_system_h922_(9223-22s)_firmware >= fw950.00, < fw950.h4","power_system_s914_(9009-41g)_firmware >= fw950.00, < fw950.h4","power_system_s924_(9009-42g)_firmware >= fw950.00, < fw950.h4","power_system_h924_(9223-42s)_firmware >= fw950.00, < fw950.h4","power_system_e950_(9040-mr9)_firmware >= fw950.00, < fw950.h4","power_system_e980_(9080-m9s)_firmware >= fw950.00, < fw950.h4"],"patched":["power_system_s1122_(9824-22a)_firmware fw1120.02","power_system_s1124_(9824-42a)_firmware fw1120.02","power_system_s1122s_(9824-22b)_firmware fw1120.02","power_system_s1114_(9824-41b)_firmware fw1120.02","power_system_l1122_(9856-22h)_firmware fw1120.02","power_system_l1124_(9856-42h)_firmware fw1120.02","power_system_e1150_(9043-mru)_firmware fw1120.02","power_system_s1112_(9242-21b)_firmware fw1120.02","power_system_s1112_(9242-21t)_firmware fw1120.02","power_system_e1080_(9080-hex)_firmware fw1060.82","power_system_s1022_(9105-22a)_firmware fw1060.82","power_system_s1024_(9105-42a)_firmware fw1060.82","power_system_s1022s_(9105-22b)_firmware fw1060.82","power_system_s1014_(9105-41b)_firmware fw1060.82","power_system_l1022_(9786-22h)_firmware fw1060.82","power_system_l1024_(9786-42h)_firmware fw1060.82","power_system_e1050_(9043-mrx)_firmware fw1060.82","power_system_s1012_(9028-21b)_firmware fw1060.82","power_system_e1180_(9080-heu)_firmware fw1120.02","power_system_s922_(9009-22g)_firmware fw950.h4","power_system_h922_(9223-22s)_firmware fw950.h4","power_system_s914_(9009-41g)_firmware fw950.h4","power_system_s924_(9009-42g)_firmware fw950.h4","power_system_h924_(9223-42s)_firmware fw950.h4","power_system_e950_(9040-mr9)_firmware fw950.h4","power_system_e980_(9080-m9s)_firmware fw950.h4"],"published":"2026-09-24","updated":"2026-09-30","sourceUpdated":"2026-09-30T16:00:00.363","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18870","references":[{"url":"https://www.ibm.com/support/pages/node/7289135","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"epss":0.00185,"epssPercentile":0.08029,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-24T14:52:53.685284Z"},"ingestedAt":"2026-09-24T15:45:56.638Z","slug":"CVE-2026-18870","body":"## Overview\n\nIBM 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.\n\n## Affected\n\n- `power_system_s1122_(9824-22a)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_s1122_(9824-22a)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_s1124_(9824-42a)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_s1124_(9824-42a)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_s1122s_(9824-22b)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_s1122s_(9824-22b)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_s1114_(9824-41b)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_s1114_(9824-41b)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_l1122_(9856-22h)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_l1122_(9856-22h)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_l1124_(9856-42h)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_l1124_(9856-42h)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_e1150_(9043-mru)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_e1150_(9043-mru)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_s1112_(9242-21b)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_s1112_(9242-21t)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_e1080_(9080-hex)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_s1022_(9105-22a)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_s1024_(9105-42a)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_s1022s_(9105-22b)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_s1014_(9105-41b)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_l1022_(9786-22h)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_l1024_(9786-42h)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_e1050_(9043-mrx)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_s1012_(9028-21b)_firmware >= fw1060.00, < fw1060.82`\n- `power_system_e1180_(9080-heu)_firmware >= fw1110.00, < fw1110.32`\n- `power_system_e1180_(9080-heu)_firmware >= fw1120.00, < fw1120.02`\n- `power_system_s922_(9009-22g)_firmware >= fw950.00, < fw950.h4`\n- `power_system_h922_(9223-22s)_firmware >= fw950.00, < fw950.h4`\n- `power_system_s914_(9009-41g)_firmware >= fw950.00, < fw950.h4`\n- `power_system_s924_(9009-42g)_firmware >= fw950.00, < fw950.h4`\n- `power_system_h924_(9223-42s)_firmware >= fw950.00, < fw950.h4`\n- `power_system_e950_(9040-mr9)_firmware >= fw950.00, < fw950.h4`\n- `power_system_e980_(9080-m9s)_firmware >= fw950.00, < fw950.h4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `power_system_s1122_(9824-22a)_firmware fw1120.02`\n- `power_system_s1124_(9824-42a)_firmware fw1120.02`\n- `power_system_s1122s_(9824-22b)_firmware fw1120.02`\n- `power_system_s1114_(9824-41b)_firmware fw1120.02`\n- `power_system_l1122_(9856-22h)_firmware fw1120.02`\n- `power_system_l1124_(9856-42h)_firmware fw1120.02`\n- `power_system_e1150_(9043-mru)_firmware fw1120.02`\n- `power_system_s1112_(9242-21b)_firmware fw1120.02`\n- `power_system_s1112_(9242-21t)_firmware fw1120.02`\n- `power_system_e1080_(9080-hex)_firmware fw1060.82`\n- `power_system_s1022_(9105-22a)_firmware fw1060.82`\n- `power_system_s1024_(9105-42a)_firmware fw1060.82`\n- `power_system_s1022s_(9105-22b)_firmware fw1060.82`\n- `power_system_s1014_(9105-41b)_firmware fw1060.82`\n- `power_system_l1022_(9786-22h)_firmware fw1060.82`\n- `power_system_l1024_(9786-42h)_firmware fw1060.82`\n- `power_system_e1050_(9043-mrx)_firmware fw1060.82`\n- `power_system_s1012_(9028-21b)_firmware fw1060.82`\n- `power_system_e1180_(9080-heu)_firmware fw1120.02`\n- `power_system_s922_(9009-22g)_firmware fw950.h4`\n- `power_system_h922_(9223-22s)_firmware fw950.h4`\n- `power_system_s914_(9009-41g)_firmware fw950.h4`\n- `power_system_s924_(9009-42g)_firmware fw950.h4`\n- `power_system_h924_(9223-42s)_firmware fw950.h4`\n- `power_system_e950_(9040-mr9)_firmware fw950.h4`\n- `power_system_e980_(9080-m9s)_firmware fw950.h4`","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}