CVE-2026-16815: CWE-787 Out-of-bounds Write
CVE-2026-16815 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. It involves a stack-based buffer overflow that could allow a remote attacker to cause a denial of service and potentially obtain sensitive information.
AI Analysis
Technical Summary
IBM i versions 7.3 through 7.6 contain a stack-based buffer overflow vulnerability (CWE-787) that can be triggered remotely. This vulnerability could lead to denial of service conditions and may allow an attacker to access sensitive information. The CVSS v3.1 base score is 8.6, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation of this vulnerability could result in denial of service and unauthorized disclosure of sensitive information on affected IBM i systems. The vulnerability affects confidentiality, integrity, and availability, making it a significant risk if exploited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor IBM's official channels for updates and consider applying any recommended temporary mitigations once published.
CVE-2026-16815: CWE-787 Out-of-bounds Write
Description
CVE-2026-16815 is a high-severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. It involves a stack-based buffer overflow that could allow a remote attacker to cause a denial of service and potentially obtain sensitive information.
CVSS v3.1
Score 8.6high
Affected software
IBM
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM i versions 7.3 through 7.6 contain a stack-based buffer overflow vulnerability (CWE-787) that can be triggered remotely. This vulnerability could lead to denial of service conditions and may allow an attacker to access sensitive information. The CVSS v3.1 base score is 8.6, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No official patch or remediation guidance is currently provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation of this vulnerability could result in denial of service and unauthorized disclosure of sensitive information on affected IBM i systems. The vulnerability affects confidentiality, integrity, and availability, making it a significant risk if exploited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor IBM's official channels for updates and consider applying any recommended temporary mitigations once published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T01:33:15.634Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e217bbf8831d539ba0ce4
Added to database: 08/13/2026, 19:56:43 UTC
Last enriched: 08/21/2026, 13:34:38 UTC
Last updated: 09/26/2026, 13:47:43 UTC
Views: 53
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