CVE-2026-16821: IBM AIX vulnerability

Published Aug 15, 2026
·
Updated

AIX could allow a local attacker to gain elevated privileges due to a format string vulnerability.

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.

Frequently Asked Questions

1

What level of access does an attacker need?

The issue is described as exploitable by a local attacker. The provided information does not describe a remote attack path.

2

Which systems should be reviewed for exposure?

Review systems running IBM AIX or IBM PowerVM VIOS, particularly where untrusted users or processes can obtain local access.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203