CVE-2026-18086

MEDIUM CVSS 3.1: 5.3 EPSS 0.09%
Updated Aug 19, 2026
IBM
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-787 (Out-of-bounds Write)
Vendor IBM
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Ibm I
cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*
Ibm I
cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*
Ibm I
cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*
Ibm I
cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*