Vulnerability · Published Aug 13, 2026 · Assigned by ibm
CVE-2026-18509IBM i is Affected By A Prvilege Escalation Vulnerability []
High 8.2
In plain English
A high-severity security flaw in i from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
References
- https://www.ibm.com/support/pages/node/7283279 vendor-advisory, patch