ibm aix CVE-2026-16857 vulnerability in IBM Products
Published on August 19, 2026

Vulnerabilities in IBM AIX and PowerVM VIOS
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to manipulate network traffic and DNS configuration due to improper authentication.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-16857 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and a small impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
LOW

Weakness Type

What is an authentification Vulnerability?

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

CVE-2026-16857 has been classified to as an authentification vulnerability or weakness.


Products Associated with CVE-2026-16857

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Affected Versions

IBM AIX: IBM PowerVM VIOS: