Stack-Based Buffer Overflow Vulnerability in IBM AIX and PowerVM
CVE-2026-17168

8.5HIGH

Key Information:

Vendor

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

What is CVE-2026-17168?

This vulnerability in IBM AIX 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, poses a risk where a remote authenticated attacker can exploit a stack-based buffer overflow to execute arbitrary code. The flaw could potentially allow unauthorized manipulation or control of the affected systems, emphasizing the urgent need for patch management and system updates.

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:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
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/).
.