CVE-2026-16838

HIGH CVSS 7.0 View on NVD ↗

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to overwrite critical files and obtain sensitive information due to a time-of-check to time-of-use (TOCTOU) race condition.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

https://www.ibm.com/support/pages/node/7283858

Published: Aug 19, 2026 20:17 UTC Modified: Aug 20, 2026 13:03 UTC