CVE-2026-16863: IBM i is Affected By Out-of-Bounds Read Vulnerability []

Published Aug 11, 2026
·
Updated

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to an out-of-bounds read.

Other sources

IBM i could allow a remote authenticated attacker to obtain sensitive information due to an out-of-bounds read.

— IBM

Affected Software

6 affected components
IBM IBM i=7.6, =7.5, =7.4, =7.3
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 MJ10974
  2. Upgrade

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

    Fixed in 7.4Patch MJ10972
  3. Upgrade

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

    Fixed in 7.3Patch MJ10971

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·05:31 PM
Data Sourced
via MITRE·05:31 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-16863?

The severity of CVE-2026-16863 is high with a CVSS score of 7.7.

2

How do I fix CVE-2026-16863?

To fix CVE-2026-16863, ensure that you apply the latest security updates for IBM i versions 7.3, 7.4, 7.5, and 7.6.

3

Who is affected by CVE-2026-16863?

CVE-2026-16863 affects users of IBM i versions 7.3, 7.4, 7.5, and 7.6.

4

What type of vulnerability is CVE-2026-16863?

CVE-2026-16863 is classified as an out-of-bounds read vulnerability.

5

Can CVE-2026-16863 be exploited remotely?

Yes, CVE-2026-16863 can be exploited by a remote authenticated attacker.

Company

Resources

Contact

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