Privilege Escalation Vulnerability in IBM i Activation Engine
CVE-2026-18669

8.8HIGH

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-18669?

IBM i versions 7.3 through 7.6 are vulnerable to a privilege escalation due to a flaw in the activation engine component. An authenticated attacker could exploit this vulnerability by executing a malicious script that runs with elevated root permissions, potentially compromising system integrity and security. For detailed mitigation and patch information, refer to IBM's official advisory.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283278
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.