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MEDIUM · 4.5

CVE-2026-18086

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code or cause a denial of service due to improper bounds checking.

Vulnerability Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code or cause a denial of service due to improper bounds checking.

CVSS Score

4.5

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
IbmI7.3

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2026-18086?

CVE-2026-18086 is a vulnerability with a CVSS score of 4.5 (MEDIUM). IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code or cause a denial of service due to improper bounds checking.

How severe is CVE-2026-18086?

CVE-2026-18086 has been rated MEDIUM with a CVSS base score of 4.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18086?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm I.