CVE-2026-16814: CWE-787 Out-of-bounds Write in IBM AIX
CVE-2026-16814 is a high-severity vulnerability affecting IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It involves a heap buffer overflow that could allow a remote attacker to execute arbitrary code without requiring user interaction or privileges. The vulnerability is classified under CWE-787 (Out-of-bounds Write).
AI Analysis
Technical Summary
This vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 is due to a heap buffer overflow condition that could be exploited remotely to execute arbitrary code. The CVSS v3.1 base score is 8.8, indicating high severity, with attack vector being adjacent network, low attack complexity, no privileges required, and no user interaction needed. The impact includes high confidentiality, integrity, and availability impacts.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code on affected systems, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
No patch or official remediation information is provided in the available data. Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance before taking action.
CVE-2026-16814: CWE-787 Out-of-bounds Write in IBM AIX
Description
CVE-2026-16814 is a high-severity vulnerability affecting IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It involves a heap buffer overflow that could allow a remote attacker to execute arbitrary code without requiring user interaction or privileges. The vulnerability is classified under CWE-787 (Out-of-bounds Write).
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:*:*:*:*:*:*:*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 in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 is due to a heap buffer overflow condition that could be exploited remotely to execute arbitrary code. The CVSS v3.1 base score is 8.8, indicating high severity, with attack vector being adjacent network, low attack complexity, no privileges required, and no user interaction needed. The impact includes high confidentiality, integrity, and availability impacts.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code on affected systems, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
No patch or official remediation information is provided in the available data. Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance before taking action.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T01:28:29.973Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a85c706acd9273b493b2ff4
Added to database: 08/19/2026, 15:08:54 UTC
Last enriched: 09/11/2026, 08:18:57 UTC
Last updated: 10/02/2026, 02:46:03 UTC
Views: 29
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