{"id":"CVE-2026-96265","published":"2026-10-12T21:17:24.190","lastModified":"2026-10-13T16:17:14.080","description":"IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to read or modify arbitrary regions of Hostboot memory, compromising the host firmware boot stack and the hypervisor subsequently loaded by it. Successful exploitation results in a confidentiality, integrity, and availability impact to the managed system.","cvssScore":8.2,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-119"],"vendors":[],"products":[],"references":[{"url":"https://www.ibm.com/support/pages/node/7290124","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}