CVE-2026-16882
Received Received - Intake

Remote Command Execution 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 remote attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.

CVSS Scores

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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-2026-16882
EUVD
EUVD-2026-62871

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-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 allows a remote attacker to execute arbitrary commands on the system. It occurs due to improper neutralization of special elements used in an OS command, meaning the system fails to properly filter or sanitize input that could be used to inject malicious commands.

Impact Analysis

This vulnerability could allow an attacker to take full control of the affected system remotely. They could execute arbitrary commands, potentially leading to data theft, system damage, or unauthorized access to sensitive information. The high CVSS score (9.8) indicates severe impact.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating compliance requirements under GDPR, HIPAA, and other regulations. Organizations using affected IBM AIX or PowerVM VIOS systems may face legal penalties, reputational damage, and mandatory breach notifications.

Mitigation Strategies

Apply IBM's official security patches or updates for AIX 7.2, 7.3, and PowerVM VIOS 4.1 as soon as they become available. Monitor IBM's security advisories for patches and follow their instructions to remove the vulnerability.

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