---
id: CVE-2026-7770
title: >-
  IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions
  (ACS) is vulnerable to remote code execution when configured to listen for
  requests from IBM i Navigator.
summary: >-
  IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions
  (ACS) is vulnerable to remote code execution when configured to listen for
  requests from IBM i Navigator.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-74
published: '2026-06-01'
updated: '2026-07-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-7770'
references:
  - url: 'https://www.ibm.com/support/pages/node/7274214'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00449
epssPercentile: 0.38382
ingestedAt: '2026-07-23T07:14:46.716Z'
---

## Overview

IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.

## Remediation

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