CVE-2026-17276: IBM i is Affected By Multiple Vulnerabilities in Navigator for i

Published Aug 11, 2026
·
Updated

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to escalate privileges due to improper authorization in the handling of high-authority threads.

Other sources

IBM i could allow a remote authenticated attacker to escalate privileges due to improper authorization in the handling of high-authority threads.

— IBM

Affected Software

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

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM i 7.6 to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ10887
  2. Upgrade

    Upgrade IBM i 7.5 to a version that resolves this vulnerability.

    Fixed in 7.5Patch SJ10888
  3. Upgrade

    Upgrade IBM i 7.4 to a version that resolves this vulnerability.

    Fixed in 7.4Patch SJ10890
  4. Upgrade

    Upgrade IBM i 7.3 to a version that resolves this vulnerability.

    Fixed in 7.3Patch SJ10891

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·05:20 PM
Data Sourced
via MITRE·05:20 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-17276?

CVE-2026-17276 has a critical severity rating of 9.6.

2

Who is affected by CVE-2026-17276?

IBM i versions 7.6, 7.5, 7.4, and 7.3 are affected by CVE-2026-17276.

3

What type of vulnerability is CVE-2026-17276?

CVE-2026-17276 is an escalation of privileges vulnerability that allows a remote authenticated attacker to gain higher privileges.

4

How do I fix CVE-2026-17276?

To fix CVE-2026-17276, update your IBM i systems to the latest security patches provided by IBM.

5

What can an attacker do with CVE-2026-17276?

An attacker exploiting CVE-2026-17276 can escalate privileges through improper authorization in high-authority threads.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203