CVE-2026-17206: IBM i is Affected By Multiple Vulnerabilities in Host Servers

Published Aug 13, 2026
·
Updated

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a buffer overflow.

Other sources

IBM i could allow a remote attacker to execute arbitrary code due to a buffer overflow.

— IBM

Affected Software

4 affected components
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 (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ10848
  2. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ10899
  3. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11022
  4. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11101
  5. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11097
  6. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11098
  7. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11099
  8. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.6Patch SJ11100
  9. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.5Patch SJ11102
  10. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.4Patch SJ11103
  11. Upgrade

    Upgrade IBM i (Host Servers) to a version that resolves this vulnerability.

    Fixed in 7.3Patch SJ11104

Event History

Aug 13, 2026
CVE Published
via MITRE·06:55 PM
Data Sourced
via MITRE·06:55 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeakness
Aug 14, 2026
Data Sourced
via IBM·07:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-17206?

The severity of CVE-2026-17206 is rated as high with a score of 8.1.

2

How does CVE-2026-17206 affect IBM i systems?

CVE-2026-17206 could allow a remote attacker to execute arbitrary code due to a buffer overflow in IBM i versions 7.3 to 7.6.

3

What types of systems are vulnerable to CVE-2026-17206?

IBM i systems running versions 7.3, 7.4, 7.5, and 7.6 are vulnerable to CVE-2026-17206.

4

Can CVE-2026-17206 be exploited remotely?

Yes, CVE-2026-17206 can be exploited remotely by attackers.

5

What is a buffer overflow in relation to CVE-2026-17206?

A buffer overflow, in the context of CVE-2026-17206, is a flaw that allows attackers to execute arbitrary code due to improper handling of memory.

Company

Resources

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