CVE-2026-18840

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to improper validation of an attacker-controlled pointer.

Score

CVSS 3.1 8.2 High

Status

Analyzed - psirt@us.ibm.com

Published

2026-08-20

Last modified

2026-10-26

Weaknesses

CWE-822

Affected products

• Aix (Ibm)
• Powervm Vios (Ibm)
• Vios (Ibm)

References

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