CVE-2026-17138: Buffer Overflow

Q: Which IBM platforms are listed as affected?

The affected software list includes IBM AIX and IBM PowerVM VIOS.

Q: What attacker access or prerequisites are documented for exploitation?

The issue is described as exploitable by a remote attacker. The available information does not state whether authentication, a particular network service, or user interaction is required.

Published Aug 15, 2026

Updated

AIX could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.

Affected Software

3 affected components

IBM AIX<=7.2

IBM AIX<=7.3

IBM PowerVM VIOS<=4.1

Event History

Aug 15, 2026

CVE Published

via IBM·12:00 AM

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

IBM-7283858

Frequently Asked Questions

Which IBM platforms are listed as affected?

The affected software list includes IBM AIX and IBM PowerVM VIOS.

What attacker access or prerequisites are documented for exploitation?

The issue is described as exploitable by a remote attacker. The available information does not state whether authentication, a particular network service, or user interaction is required.