CVE-2026-16836: CWE-400 Uncontrolled Resource Consumption in IBM AIX
Description
CVE-2026-16836 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, and IBM PowerVM VIOS 4.1. It involves uncontrolled resource consumption that could allow a remote attacker to cause a denial of service (DoS). The vulnerability does not impact confidentiality or integrity but affects availability. There is no information provided about patches or fixes.
CVSS v3.1
Score 7.5high
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:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-400 (Uncontrolled Resource Consumption), affects IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. A remote attacker could exploit this flaw to cause a denial of service by exhausting system resources. The CVSS v3.1 base score is 7.5, indicating a high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
An attacker can remotely trigger uncontrolled resource consumption leading to denial of service, causing system unavailability. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T02:51:41.802Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a86098facd9273b498b4bf1
Added to database: 08/19/2026, 19:52:47 UTC
Last enriched: 09/11/2026, 06:17:07 UTC
Last updated: 10/04/2026, 10:02:25 UTC
Views: 39
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