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CVE-2026-18509

IBM i is Affected By A Prvilege Escalation Vulnerability []

Published: Aug 13, 2026Updated: Aug 17, 2026 Sources: CVE List NVDCWE-285
8.2HIGH
NVD MITRE
EPSS Score
0.2%
Top 93.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:CC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-285

Affected Products

IBM
commercial·USaka international business machines
iOn-prem
Operating Systems
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-18509?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.ibm.com/support/pages/node/7283279
ibm.com

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