CVE-2026-16887: CWE-787 Out-of-bounds Write
CVE-2026-16887 is a high-severity vulnerability in IBM i version 7.6 involving an out-of-bounds write that could be exploited remotely to cause a denial of service. The vulnerability does not impact confidentiality or integrity but can disrupt availability. No official patch or remediation information is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
IBM i 7.6 contains a vulnerability classified as CWE-787 (Out-of-bounds Write) that allows a remote attacker to cause a denial of service condition by writing outside the intended memory bounds. This flaw affects exactly version 7.6 of IBM i. The CVSS 3.1 base score is 7.5, reflecting high severity due to network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. No vendor advisory or patch information is currently provided, and no known exploits have been reported.
Potential Impact
The vulnerability can be exploited remotely without authentication or user interaction to cause a denial of service, impacting system availability. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific mitigations are documented at this time.
CVE-2026-16887: CWE-787 Out-of-bounds Write
Description
CVE-2026-16887 is a high-severity vulnerability in IBM i version 7.6 involving an out-of-bounds write that could be exploited remotely to cause a denial of service. The vulnerability does not impact confidentiality or integrity but can disrupt availability. No official patch or remediation information 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:i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM i 7.6 contains a vulnerability classified as CWE-787 (Out-of-bounds Write) that allows a remote attacker to cause a denial of service condition by writing outside the intended memory bounds. This flaw affects exactly version 7.6 of IBM i. The CVSS 3.1 base score is 7.5, reflecting high severity due to network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. No vendor advisory or patch information is currently provided, and no known exploits have been reported.
Potential Impact
The vulnerability can be exploited remotely without authentication or user interaction to cause a denial of service, impacting system availability. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific mitigations are documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T05:02:35.948Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7e2501bf8831d539bec086
Added to database: 08/13/2026, 20:11:45 UTC
Last enriched: 08/13/2026, 20:28:00 UTC
Last updated: 08/13/2026, 20:28:00 UTC
Views: 2
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