CVE-2026-18669: IBM i is Affected By A Privilege Escalation Vulnerability []

Published Aug 11, 2026
·
Updated

IBM i 7.6, 7.5, 7.4, and 7.3 is vulnerable to a privilege escalation as the result of a remote code execution vulnerability in the activation engine component. An authenticated attacker can execute a maliciously planted script with root authority.

Other sources

IBM i is vulnerable to a privilege escalation as the result of a remote code execution vulnerability in the activation engine component.  An authenticated attacker can execute a maliciously planted script with root authority.

— IBM

Affected Software

5 affected components
IBM IBM i>=7.3<=7.6
IBM i<=7.6
IBM i<=7.5
IBM i<=7.4
IBM i<=7.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM i activation engine (PTF for privilege escalation via RCE) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11009
  2. Upgrade

    Upgrade IBM i activation engine (PTF for privilege escalation via RCE) to a version that resolves this vulnerability.

    Fixed in 7.5Patch SJ10978
  3. Upgrade

    Upgrade IBM i activation engine (PTF for privilege escalation via RCE) to a version that resolves this vulnerability.

    Fixed in 7.4Patch SJ10977
  4. Upgrade

    Upgrade IBM i activation engine (PTF for privilege escalation via RCE) to a version that resolves this vulnerability.

    Fixed in 7.3Patch SJ10976

Event History

Aug 11, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 12, 2026
CVE Published
via MITRE·05:32 PM
Data Sourced
via MITRE·05:32 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-18669?

The severity of CVE-2026-18669 is high, with a CVSS score of 8.8.

2

What systems are affected by CVE-2026-18669?

CVE-2026-18669 affects IBM i versions 7.6, 7.5, 7.4, and 7.3.

3

How do I fix CVE-2026-18669?

To fix CVE-2026-18669, ensure that your IBM i systems are updated with the latest security patches provided by IBM.

4

What type of vulnerability is CVE-2026-18669?

CVE-2026-18669 is a privilege escalation vulnerability that allows an authenticated attacker to execute malicious scripts with root authority.

5

What are the potential impacts of CVE-2026-18669?

The potential impacts of CVE-2026-18669 include unauthorized access to sensitive data and complete control over the affected IBM i system.

Company

Resources

Contact

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