CVE-2026-16927

Published Aug 20, 2026

Last updated 3 days ago

CVSS high 7.3

Overview

Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain root privileges due to a time-of-check to time-of-use (TOCTOU) race condition.
Source
psirt@us.ibm.com
NVD status
Received

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.3
Impact score
5.9
Exploitability score
1.3
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

psirt@us.ibm.com
CWE-367

Social media

Hype score
Not currently trending

References

Sources include official advisories and independent security research.