Denial of Service Vulnerability in IBM AIX and PowerVM
CVE-2026-16706

7.5HIGH

Key Information:

Vendor

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

What is CVE-2026-16706?

A vulnerability in IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, allows remote attackers to trigger a denial of service condition due to an out-of-bounds write. This vulnerability presents a significant risk, as it can lead to system instability and impact the availability of services. Organizations utilizing these IBM products should implement security patches available from the vendor and monitor their systems for any abnormal behavior.

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:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
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/).
.