{"id":"CVE-2026-11885","aliases":["EUVD-2026-51238","GHSA-f687-cr2f-7jv7"],"status":"published","title":"Power System update in Buffer Copy","description":"IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00148,"percentile":0.04061,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-07-30T16:38:25Z","modified":"2026-10-23T22:10:00Z","products":[{"vendor":"ibm","product":"power_system_e1050_\\(9043-mrx\\)_firmware"},{"vendor":"ibm","product":"power_system_e1080_\\(9080-hex\\)_firmware"},{"vendor":"ibm","product":"power_system_e1150_\\(9043-mru\\)_firmware"},{"vendor":"ibm","product":"power_system_e1180_\\(9080-heu\\)_firmware"},{"vendor":"ibm","product":"power_system_e950_\\(9040-mr9\\)_firmware"},{"vendor":"ibm","product":"power_system_e980_\\(9080-m9s\\)_firmware"},{"vendor":"ibm","product":"power_system_h922_\\(9223-22h\\)_firmware"},{"vendor":"ibm","product":"power_system_h922_\\(9223-22s\\)_firmware"},{"vendor":"ibm","product":"power_system_h924_\\(9223-42h\\)_firmware"},{"vendor":"ibm","product":"power_system_h924_\\(9223-42s\\)_firmware"},{"vendor":"ibm","product":"power_system_l1022_\\(9786-22h\\)_firmware"},{"vendor":"ibm","product":"power_system_l1024_\\(9786-42h\\)_firmware"},{"vendor":"ibm","product":"power_system_l1122_\\(9856-22h\\)_firmware"},{"vendor":"ibm","product":"power_system_l1124_\\(9856-42h\\)_firmware"},{"vendor":"ibm","product":"power_system_l922_\\(9008-22l\\)_firmware"},{"vendor":"ibm","product":"power_system_s1012_\\(9028-21b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1014_\\(9105-41b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1022_\\(9105-22a\\)_firmware"},{"vendor":"ibm","product":"power_system_s1022s_\\(9105-22b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1024_\\(9105-42a\\)_firmware"},{"vendor":"ibm","product":"power_system_s1114_\\(9824-41b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1122_\\(9824-22a\\)_firmware"},{"vendor":"ibm","product":"power_system_s1122s_\\(9824-22b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1124_\\(9824-42a\\)_firmware"},{"vendor":"ibm","product":"power_system_s914_\\(9009-41a\\)_firmware"},{"vendor":"ibm","product":"power_system_s914_\\(9009-41g\\)_firmware"},{"vendor":"ibm","product":"power_system_s922_\\(9009-22a\\)_firmware"},{"vendor":"ibm","product":"power_system_s922_\\(9009-22g\\)_firmware"},{"vendor":"ibm","product":"power_system_s924_\\(9009-42a\\)_firmware"},{"vendor":"ibm","product":"power_system_s924_\\(9009-42g\\)_firmware"},{"vendor":"ibm","product":"powervm hypervisor"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7280628","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11885"},{"url":"https://github.com/advisories/GHSA-f687-cr2f-7jv7"}],"sources":{"cve":[{"id":"CVE-2026-11885","title":"Power System update in Buffer Copy","description":"IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.","status":"published","published":"2026-07-30T16:38:25.814Z","modified":"2026-07-30T17:35:20.927Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:20:05.15083Z"}],"euvd":[{"id":"EUVD-2026-51238","description":"IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.","status":"published","published":"2026-07-30T16:38:25Z","modified":"2026-07-30T17:35:20Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:28.035906Z"}],"ghsa":[{"id":"GHSA-f687-cr2f-7jv7","title":"IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00...","description":"IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.","status":"published","published":"2026-07-30T18:31:40Z","modified":"2026-07-30T18:31:47Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:09:57.873597Z"}],"nvd":[{"id":"CVE-2026-11885","description":"IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.","status":"published","published":"2026-07-30T17:16:27.76Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:12:33.955581Z"}]}}