CVE-2026-16814
Received Received - Intake

Heap Buffer Overflow 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 code due to a heap buffer overflow.

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Meta Information

Published
2026-08-19
Last Modified
2026-08-19
Generated
2026-08-19
AI Q&A
2026-08-19
EPSS Evaluated
N/A
NVD
CVE-2026-16814
EUVD
EUVD-2026-62524

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

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Executive Summary

This is a heap buffer overflow vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. A remote attacker could exploit it to execute arbitrary code by sending specially crafted input that overflows a heap buffer.

Detection Guidance

This vulnerability involves a heap buffer overflow in IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1. Detection requires checking system versions and applying IBM's official patches or updates. No specific commands are provided in the context for detection.

Impact Analysis

An attacker could gain control of the affected system, leading to unauthorized access, data theft, or system compromise. This could disrupt operations or allow further attacks within the network.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face legal penalties and reputational damage.

Mitigation Strategies

Apply IBM-provided patches or updates for AIX 7.2, 7.3, and PowerVM VIOS 4.1 immediately. Isolate affected systems from untrusted networks until patched. Monitor IBM security advisories for additional guidance.

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