Remote Code Execution Vulnerability in IBM AIX and PowerVM
CVE-2026-16816

9.9CRITICAL

Key Information:

Vendor

IBM
Status
Aix
Powervm ViOS
Vendor
CVE Published:
19 August 2026

What is CVE-2026-16816?

IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, have a security vulnerability that enables remote authenticated attackers to execute arbitrary commands on the affected systems. This issue arises from the improper handling of special elements in operating system commands, posing a significant risk to system integrity and confidentiality.

Affected Version(s)

AIX 7.2

AIX 7.3

PowerVM VIOS 4.1

References

https://www.ibm.com/support/pages/node/7283858
vendor-advisorypatch

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CVE-2026-14970, CVE-2026-15061, CVE-2026-15078, CVE-2026-15065, CVE-2026-15068 were reported to IBM by Oneconsult AG (https://oneconsult.com/).
.