VULNERABILITY INTELLIGENCE
CVE-2026-18840
CVSS score8.2 HIGH
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-08-20
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Description
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.
Weakness classification
- CWE-822: Untrusted Pointer Dereference
Primary references
- psirt@us.ibm.com — Patch, Vendor Advisory