CVE-2026-16891
Received Received - Intake

Out-of-Bounds Read in IBM AIX and PowerVM VIOS

Publication date: 2026-08-19

Last updated on: 2026-08-19

Assigner: IBM Corporation

Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to obtain sensitive information due to an out-of-bounds read.

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Meta Information

Published
2026-08-19
Last Modified
2026-08-19
Generated
2026-08-20
AI Q&A
2026-08-19
EPSS Evaluated
N/A
NVD
CVE-2026-16891
EUVD
EUVD-2026-62825

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
ibm aix 7.2
ibm aix 7.3
ibm powervm_vios 4.1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is an out-of-bounds read issue in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. It allows a local attacker to access sensitive information due to improper memory handling.

Impact Analysis

A local attacker could exploit this to read sensitive data from memory, potentially leading to unauthorized access to confidential information.

Compliance Impact

The vulnerability allows local attackers to obtain sensitive information due to an out-of-bounds read in IBM AIX and PowerVM VIOS. This could lead to unauthorized access to confidential data, potentially violating GDPR (data protection) and HIPAA (health information privacy) requirements for safeguarding sensitive data.

Mitigation Strategies

Apply IBM AIX and PowerVM VIOS security patches or updates as soon as they become available to address the out-of-bounds read issue.

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