Access Control Flaw in IBM i Operating Systems by IBM
CVE-2026-17484

5.3MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 October 2026

What is CVE-2026-17484?

An access control vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6 exposes systems to potential local denial of service attacks. This flaw allows a local attacker to exploit improper access controls, which can disrupt normal operations. Organizations using these affected versions should implement the necessary security patches provided by IBM to mitigate risk and enhance system protection.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7290096
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.