Out-of-Bounds Read Vulnerability in IBM AIX and PowerVM
CVE-2026-17124

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-17124?

An out-of-bounds read vulnerability exists in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 which may allow a local attacker to execute arbitrary code. This flaw can potentially compromise the integrity of the system, leading to unauthorized actions by the attacker. It is essential for users and administrators of these IBM products to apply the necessary patches to mitigate risks associated with this vulnerability. For further details, refer to the vendor's advisory.

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:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
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/).
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