CVE-2026-16927

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1

Description A time-of-check to time-of-use (TOCTOU) race condition exists, which could allow a local attacker to gain root privileges. A TOCTOU race condition occurs when a program checks the state of a resource and then acts upon that resource, but the state changes between the check and the action.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.