Medium severity · published Oct 12, 2026
CVE-2026-18343
IBM i is Affected By An Improper Privilege Management Vulnerability
4.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
I
i · IBM
7.6; 7.5; 7.4; 7.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18343
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18343
vendor-advisory
https://www.ibm.com/support/pages/node/7290194
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