CVE-2026-16838

HighCVSS 7.0/10Last modified Aug 26, 2026

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.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-367

Affected software

No affected versions have been published.

Timeline

Published
Aug 19, 2026
Last modified
Aug 26, 2026
NVD status
Analyzed

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CVE-2026-16838: High severity, CVSS 7.0 | Vulnix