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Vulnerability record · CVE-2026-18341 · published 4 September 2026

CVE-2026-18341: Ibm i heap-based buffer overflow vulnerability

Ibm · I

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to corrupt memory due to an integer underflow.

8.8 CVSS 3.1 High EPSS 0.25% · top 85.8% CWE-122 · Heap-based buffer overflowCWE-191 · CWE-191
8.8CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
8 Sep 2026Last modified by NVD

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to corrupt memory due to an integer underflow.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7286094 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-18341), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.