CVE-2026-16848
High
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of shell metacharacters in DHCP options.
SeverityHigh
CVSS8.8
Exploit probability43. percentile0.5%
Product
Ibm Vios
PublishedAug 19, 2026
First seenAug 19, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- ibm vios4.1.0.50, 4.1.1.30, 4.1.2.20 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm vios | 4.1.0 ≤ v < 4.1.0.50, 4.1.1.0 ≤ v < 4.1.1.30, 4.1.2.0 ≤ v < 4.1.2.20 | 4.1.0.50, 4.1.1.30, 4.1.2.20 |
| ibm aix | 7.2.5 ≤ v ≤ 7.2.5.212, 7.3.2 ≤ v ≤ 7.3.2.5, 7.3.3 ≤ v ≤ 7.3.3.2, 7.3.4 ≤ v ≤ 7.3.4.1 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.