Privilege Escalation Vulnerability in IBM AIX and PowerVM Software
CVE-2026-16923

7HIGH

Key Information:

Vendor

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

What is CVE-2026-16923?

A vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS version 4.1, could be exploited by a local attacker to gain elevated privileges due to improper management of user rights and capabilities. This highlights the importance of maintaining robust access controls and promptly addressing security advisories.

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:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

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/).
.