VDB
CVE-2026-18840
CVE-2026-18840
PUBLISHED
CVSS 8.2 HIGH
Reported by ibm · Published August 20, 2026
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.
Risk Scores
CVSS 3.1
8.2
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| IBM | AIX | 7.2, 7.3 |
| IBM | PowerVM VIOS | 4.1 |
| IBM | PowerVM VIOS | 4.1, 4.1, 4.1 |
| IBM | AIX | 7.2, 7.3, 7.2 |
Timeline
- Aug 15, 2026 CVE Published
- Aug 24, 2026 EPSS Score
- Aug 26, 2026 EPSS Score