CVE-2026-16838

High

Open

TLP:CLEAR

Vulnerabilities in IBM AIX and PowerVM VIOS

NVD CVE.org

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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.

Details

CVSS Score: 7.0
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Aug 19, 2026
Last Modified: Aug 19, 2026

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