CVE-2026-17003: Vulnerabilities in IBM AIX and PowerVM VIOS

Q: Which deployments should be included in the initial exposure review?

Review systems running IBM AIX and IBM PowerVM VIOS. The available information does not identify affected versions or configurations.

Published Aug 15, 2026

Updated

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to compromise the confidentiality and integrity of the system due to an out-of-bounds write.

Affected Software

10 affected components

IBM AIX<=7.2

IBM AIX<=7.3

IBM PowerVM VIOS<=4.1

IBM VIOS>=4.1.0<4.1.0.50

IBM VIOS>=4.1.1.0<4.1.1.30

IBM VIOS>=4.1.2.0<4.1.2.20

IBM AIX>=7.2.5<=7.2.5.212

IBM AIX>=7.3.2<=7.3.2.5

IBM AIX>=7.3.3<=7.3.3.2

IBM AIX>=7.3.4<=7.3.4.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade IBM AIX (7.2/7.3) to a version that resolves this vulnerability.
Fixed in SP13Patch IJ5956608
Upgrade
Upgrade IBM AIX (7.3 TL04) to a version that resolves this vulnerability.
Fixed in SP2Patch IJ5956508
Upgrade
Upgrade IBM AIX (7.3 TL03) to a version that resolves this vulnerability.
Fixed in SP3Patch IJ5956408
Upgrade
Upgrade IBM AIX (7.3 TL02) to a version that resolves this vulnerability.
Fixed in SP5Patch IJ59563
Upgrade
Upgrade IBM PowerVM VIOS to a version that resolves this vulnerability.
Fixed in 4.1.0.50Patch IJ5956508
Upgrade
Upgrade IBM PowerVM VIOS to a version that resolves this vulnerability.
Fixed in 4.1.1.30Patch IJ5956408
Upgrade
Upgrade IBM PowerVM VIOS to a version that resolves this vulnerability.
Fixed in 4.1.2.20Patch IJ5956308
Operational
An LPAR reboot is required to complete the SP/FP update.
Operational
For VIOS 4.1.0 and VIOS 4.1.1, perform additional steps to migrate to the latest Postgres15 after applying the 4.1.1.30 or 4.1.0.50 FPs.

Event History

Aug 15, 2026

CVE Published

via IBM·12:00 AM

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

Aug 20, 2026

CVE Published

via MITRE·09:49 PM

Data Sourced

via MITRE·09:49 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·10:17 PM

RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

IBM-7283858

Frequently Asked Questions

Which deployments should be included in the initial exposure review?

Review systems running IBM AIX and IBM PowerVM VIOS. The available information does not identify affected versions or configurations.

CVE-2026-17003: Vulnerabilities in IBM AIX and PowerVM VIOS

Affected Software

Remediation

Event History

Parent advisories

Frequently Asked Questions

Which deployments should be included in the initial exposure review?

Company

Resources

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