CVE-2026-16814: CWE-787 Out-of-bounds Write in IBM AIX
CVE-2026-16814 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It involves a heap buffer overflow that could allow a remote attacker to execute arbitrary code without requiring privileges or user interaction.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-787 (Out-of-bounds Write), affects IBM AIX 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It allows remote attackers to exploit a heap buffer overflow condition to execute arbitrary code on the affected systems. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation level has been published yet, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could lead to remote code execution with high impact on system confidentiality, integrity, and availability. This could allow attackers to fully compromise affected systems remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM security advisories for updates. No temporary or workaround fixes are currently documented.
CVE-2026-16814: CWE-787 Out-of-bounds Write in IBM AIX
Description
CVE-2026-16814 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3 and IBM PowerVM VIOS 4.1. It involves a heap buffer overflow that could allow a remote attacker to execute arbitrary code without requiring privileges or user interaction.
CVSS v3.1
Score 8.8high
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-787 (Out-of-bounds Write), affects IBM AIX 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It allows remote attackers to exploit a heap buffer overflow condition to execute arbitrary code on the affected systems. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation level has been published yet, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could lead to remote code execution with high impact on system confidentiality, integrity, and availability. This could allow attackers to fully compromise affected systems remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM security advisories for updates. No temporary or workaround fixes are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T01:28:29.973Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a85c706acd9273b493b2ff4
Added to database: 08/19/2026, 15:08:54 UTC
Last enriched: 08/19/2026, 15:38:08 UTC
Last updated: 08/19/2026, 16:00:19 UTC
Views: 3
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