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9.8

IBM AIX and PowerVM VIOS let attackers run commands remotely

CVE-2026-17142 · published 14 days ago
Summary

The IBM AIX operating system (versions 7.2 and 7.3) and the IBM PowerVM Virtual I/O Server version 4.1 have a weakness that could let someone on the network execute any command they choose. This could give an attacker control over the affected servers. Apply the security updates released by IBM as soon as possible and verify that your systems are running the patched versions.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm aix 7.2
ibm powervm vios 4.1
Original advisory text
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 authentication.
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 authentication.
References
Severity
9.8 Critical
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS <1%
Type
CWE-287Improper Authentication
Timeline
Published20 Aug 2026
Updated3 Sep 2026
First seen20 Aug 2026
Sources
CVE-2026-17142 · NVD
CVE-2026-17142 · MITRE
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