CVE-2026-18670

CriticalCVSS 9.1/10Last modified Aug 25, 2026

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to an integer underflow.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-190CWE-191

Affected software

No affected versions have been published.

Timeline

Published
Aug 20, 2026
Last modified
Aug 25, 2026
NVD status
Analyzed

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CVE-2026-18670: Critical severity, CVSS 9.1 | Vulnix