CVE-2026-17003

Received Received - Intake

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

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: IBM Corporation

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to compromise the confidentiality and integrity of the system due to an out-of-bounds write.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-20

Last Modified

2026-08-20

Generated

2026-08-21

AI Q&A

2026-08-21

EPSS Evaluated

N/A

NVD

CVE-2026-17003

EUVD

EUVD-2026-63635

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	aix	7.2
ibm	aix	7.3
ibm	powervm_vios	4.1

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds write issue in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. It allows a remote attacker to compromise system confidentiality and integrity by exploiting memory corruption.

Impact Analysis

A remote attacker could exploit this flaw to gain unauthorized access, modify sensitive data, or disrupt system operations. This could lead to data breaches, system crashes, or unauthorized control of affected systems.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations must address it to maintain data protection and regulatory adherence.

Mitigation Strategies

Apply IBM AIX and PowerVM VIOS security patches or updates as soon as they are available from IBM. Monitor IBM PSIRT advisories for fixes and restrict remote access to trusted sources only.

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