CVE-2026-16927: Race Condition
Published Aug 15, 2026
·Updated
AIX could allow a local attacker to gain root privileges due to a time-of-check to time-of-use (TOCTOU) race condition.
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
Frequently Asked Questions
1
Who is exposed to this issue?
Systems running IBM AIX or IBM PowerVM VIOS are identified as affected. Exploitation requires local attacker access.
2
What level of access could an attacker obtain?
A successful attacker could gain root privileges through the race condition.
3
What is known about exploit prerequisites?
The available information identifies this as a local privilege-escalation issue caused by a time-of-check to time-of-use race condition. No further prerequisites, affected versions, or configuration details are provided.