CVE-2026-18343

4.4Medium

Published 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash

4.4Medium

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Limited impact
Weakness: CWE-269

Impact

A local attacker with an account can read and modify the system's BOOTP table. They need local credentials to exploit this authorization flaw.

Root cause

Improper privilege management allows lower-privileged users to alter BOOTP table entries.

Affected systems

IBM i 7.3, 7.4, 7.5, and 7.6

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Fix & remediation

Apply the remediation PTFs referenced in IBM security bulletin 7290194 for your release. If patching immediately is not possible, restrict local access to the affected partition.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

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.

References

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

Source: nvd.nist.gov/vuln/detail/CVE-2026-18343