CVE-2026-16883
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-2026-16883
EUVD
EUVD-2026-62869

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 is an out-of-bounds read vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. A local attacker could exploit it to access sensitive information by reading beyond the intended memory boundaries.

Impact Analysis

A local attacker could gain access to sensitive data stored on the affected system, potentially leading to unauthorized information disclosure or further attacks.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate compliance requirements for GDPR, HIPAA, or other regulations that mandate strict data protection controls.

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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