P4Verified

CVE-2026-96264: PowerVM Hypervisor FW1060.00 through FW1060.81

CVE-2026-96264. CVSS 3.1 base score 8.2 (GitHub Advisory Database).

Affected technology

PowerVM Hypervisor · FW1060.00 through FW1060.81
IBM

Description’s affected range: through FW1060.81 is affected by a vulnerability in the service processor mailbox interface

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · High privileges required · No user interaction required

What an attacker can do

An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to overflow host firmware runtime attribute storage, allowing arbitrary code to be executed in the host firmware runtime. Vendor/CNA’s CVSS 3.1 assessment (base score 8.2/10) rates confidentiality, integrity and availability impact as high.

Published 13-Oct-2026 01:50 UTC

CWE: CWE-121
CCR priority: 32.8 /100 (P4)
CVSS 3.1: 8.2 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H · GitHub Advisory Database
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-13 02:51:46.931182+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-96264.html