Out-of-Bounds Write Vulnerability in IBM AIX and PowerVM Products
CVE-2026-16914

6.7MEDIUM

Key Information:

Vendor

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

What is CVE-2026-16914?

The vulnerability in IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, allows local attackers to potentially execute arbitrary code through an out-of-bounds write. This issue could enable unauthorized users to gain elevated permissions or compromise system integrity, emphasizing the need for timely updates and patch management to mitigate risks.

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:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
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/).
.