CVE-2026-18343 PUBLISHED

IBM i is Affected By An Improper Privilege Management Vulnerability

Assigner: ibm
Reserved: 29.07.2026 Published: 12.10.2026 Updated: 13.10.2026

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to modify the BOOTP table due to improper authorization.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 4.4

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	IBM
Product	i
Versions	Version 7.6 is affected Version 7.5 is affected Version 7.4 is affected Version 7.3 is affected

Solutions

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11460 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11460 7.5SJ11461 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11461 7.4SJ11462 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11462 7.3SJ11463 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11463

IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

References

https://www.ibm.com/support/pages/node/7290194

Problem Types

CWE-269 Improper Privilege Management CWE