IBM i 7.3-7.6 Privilege Escalation via Unqualified Library Call
CVE-2026-7870 Published on June 11, 2026

IBM i is Affected by Privilege Escalation []
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a user to gain elevated privileges due to an unqualified library call. A malicious actor could cause user-controlled code to run with administrator privilege.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-7870 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a DLL preloading Vulnerability?

The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.

CVE-2026-7870 has been classified to as a DLL preloading vulnerability or weakness.


Products Associated with CVE-2026-7870

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IBM I
 

Affected Versions

IBM i: