CVE-2026-16706

Analyzed Analyzed - Analysis Complete

Denial of Service in IBM AIX and PowerVM VIOS

Publication date: 2026-08-19

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 cause a denial of service due to an out-of-bounds write.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-19

Last Modified

2026-08-20

Generated

2026-09-09

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-16706

EUVD

EUVD-2026-62523

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	vios	From 4.1.0 (inc) to 4.1.0.50 (exc)
ibm	vios	From 4.1.1.0 (inc) to 4.1.1.30 (exc)
ibm	vios	From 4.1.2.0 (inc) to 4.1.2.20 (exc)
ibm	aix	From 7.2.5 (inc) to 7.2.5.212 (inc)
ibm	aix	From 7.3.2 (inc) to 7.3.2.5 (inc)
ibm	aix	From 7.3.3 (inc) to 7.3.3.2 (inc)
ibm	aix	From 7.3.4 (inc) to 7.3.4.1 (inc)

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. A remote attacker could exploit this to cause a denial of service by writing data outside the intended memory bounds.

Detection Guidance

This vulnerability is an out-of-bounds write issue in IBM AIX and PowerVM VIOS. Detection typically requires checking for specific software versions or patches. Use commands like 'oslevel -s' on AIX to verify the system version and compare against IBM's advisory for affected releases.

Impact Analysis

The vulnerability allows a remote attacker to disrupt services by causing a denial of service. This could lead to system crashes, unavailability of critical services, or potential data processing interruptions.

Compliance Impact

This vulnerability could lead to a denial of service, which may impact the availability of systems handling sensitive data. Compliance with standards like GDPR or HIPAA often requires maintaining system availability and protecting against disruptions, so such vulnerabilities could pose risks to compliance if not addressed.

Mitigation Strategies

Apply IBM-provided patches or updates for AIX 7.2, 7.3, and PowerVM VIOS 4.1. Monitor IBM security advisories for fixes and restrict remote access to affected systems until patched.

Hi! I’m here to help you understand CVE-2026-16706. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70