---
id: CVE-2026-18341
title: >-
  IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to
  corrupt memory due to an integer underflow.
summary: >-
  IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to
  corrupt memory due to an integer underflow.
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-122
  - CWE-191
vendor: ibm
product: i
affected:
  - i = 7.3
  - i = 7.4
  - i = 7.5
  - i = 7.6
published: '2026-09-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:38:47.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-18341'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286094'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00246
epssPercentile: 0.16154
ingestedAt: '2026-09-08T15:33:26.963Z'
---

## Overview

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to corrupt memory due to an integer underflow.

## Affected

- `i = 7.3`
- `i = 7.4`
- `i = 7.5`
- `i = 7.6`

## Remediation

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