CVE-2026-16690: CWE-400 Uncontrolled Resource Consumption in IBM AIX
CVE-2026-16690 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, as well as 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 results in availability disruption. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-400 (Uncontrolled Resource Consumption), affects IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. It allows a remote attacker to trigger excessive resource consumption, leading to denial of service conditions. The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. The vulnerability is published and reserved by IBM but lacks an official remediation level or patch information.
Potential Impact
An attacker can remotely cause a denial of service by exhausting system resources on affected IBM AIX and PowerVM VIOS versions. This results in service unavailability but does not compromise data confidentiality or integrity. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM advisories for updates. No vendor-provided mitigation or workaround is currently documented.
CVE-2026-16690: CWE-400 Uncontrolled Resource Consumption in IBM AIX
Description
CVE-2026-16690 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, as well as 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 results in availability disruption. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.5high
Affected software
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. It allows a remote attacker to trigger excessive resource consumption, leading to denial of service conditions. The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. The vulnerability is published and reserved by IBM but lacks an official remediation level or patch information.
Potential Impact
An attacker can remotely cause a denial of service by exhausting system resources on affected IBM AIX and PowerVM VIOS versions. This results in service unavailability but does not compromise data confidentiality or integrity. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM advisories for updates. No vendor-provided mitigation or workaround is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-23T00:43:50.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a85c706acd9273b493b2fee
Added to database: 08/19/2026, 15:08:54 UTC
Last enriched: 08/19/2026, 15:38:46 UTC
Last updated: 08/19/2026, 17:55:37 UTC
Views: 2
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