CVE-2026-16991

HighCVSS 7.8/10Last modified Aug 27, 2026

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to improper handling of symbolic links.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published
Aug 20, 2026
Last modified
Aug 27, 2026
NVD status
Analyzed

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CVE-2026-16991: High severity, CVSS 7.8 | Vulnix