CVE-2026-96265: IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with…

PriorityP344high8.2CVSS 3.1

AVLACLPRHUINSCCHIHAH

EPSS

0.17%

5.9th percentile

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.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
ibm	powervm_hypervisor	FW1060.00 – FW1060.81	—

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