CVE-2026-19449: Vulnerability in IBM AIX
Description
CVE-2026-19449 is a high-severity vulnerability affecting IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. The flaw exists in the cmdnim component and allows an unprivileged local user to execute code with root privileges. This vulnerability has a CVSS score of 8.8, indicating a critical impact on confidentiality, integrity, and availability. No information about patches or vendor advisories is provided.
CVSS v3.1
Score 8.8high
Affected software
IBM
AIX
IBM
PowerVM VIOS
cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 involves the cmdnim component, which may permit an unprivileged local user to execute arbitrary payloads as root. The CVSS 3.1 vector indicates it requires local access with low attack complexity and no user interaction, but it results in complete system compromise (confidentiality, integrity, and availability impacts are all high).
Potential Impact
Successful exploitation allows privilege escalation from an unprivileged local user to root, leading to full system compromise including unauthorized access, modification, and disruption of system operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or workaround information is provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-10T13:59:15.163Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a877e39acd9273b493410ac
Added to database: 08/20/2026, 22:22:49 UTC
Last enriched: 09/10/2026, 19:32:35 UTC
Last updated: 10/05/2026, 06:48:14 UTC
Views: 81
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