CVE-2026-16827: IBM AIX vulnerability

Q: Which deployments should be assessed for exposure?

The affected software list identifies IBM AIX and IBM PowerVM VIOS. The provided data does not specify affected versions or configurations.

Q: What level of attacker access is indicated?

The issue is described as exploitable by a remote attacker. The provided data does not state whether authentication, privileges, or user interaction are required.

Published Aug 15, 2026

Updated

AIX could allow a remote attacker to cause a denial of service due to the use of an uninitialized stack pointer.

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 deployments should be assessed for exposure?

The affected software list identifies IBM AIX and IBM PowerVM VIOS. The provided data does not specify affected versions or configurations.

What level of attacker access is indicated?

The issue is described as exploitable by a remote attacker. The provided data does not state whether authentication, privileges, or user interaction are required.