---
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: PowerVM Hypervisor
affected:
  - powervm_hypervisor >= FW1120.00 <= FW1120.01
  - powervm_hypervisor >= FW1110.00 <= FW1110.31
  - powervm_hypervisor >= FW1060.00 <= FW1060.81
  - powervm_hypervisor >= FW950.00 <= FW950.H3
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T19:41:16.513'
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
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T14:52:53.685284Z'
ingestedAt: '2026-09-24T15:45:56.638Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.