CVE-2026-16836

Received Received - Intake

Denial of Service 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 cause a denial of service due to uncontrolled resource consumption.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-19

Last Modified

2026-08-19

Generated

2026-08-20

AI Q&A

2026-08-20

EPSS Evaluated

N/A

NVD

CVE-2026-16836

EUVD

EUVD-2026-62723

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	aix	From 7.2 (inc)
ibm	aix	From 7.3 (inc)
ibm	powervm_vios	From 4.1 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 allows a remote attacker to cause a denial of service by consuming excessive system resources.

Impact Analysis

It can lead to system slowdowns or crashes, disrupting services and operations that rely on the affected IBM systems.

Compliance Impact

This vulnerability could lead to denial of service due to uncontrolled resource consumption, which may disrupt critical services. This could impact compliance with standards like GDPR or HIPAA by compromising availability of personal or health data systems.

Mitigation Strategies

Apply IBM-provided fixes or updates for AIX 7.2, 7.3, and PowerVM VIOS 4.1 to address uncontrolled resource consumption issues. Monitor network traffic for unusual patterns that may indicate denial of service attempts.

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