CVE-2026-18509: IBM i is Affected By A Prvilege Escalation Vulnerability []
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.
Other sources
IBM i 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.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM i 7.3to a version that resolves this vulnerability.Fixed in 7.3Patch SJ11128 - Upgrade
Upgrade
IBM i 7.6to a version that resolves this vulnerability.Fixed in 7.6Patch SJ10887
Event History
Frequently Asked Questions
What is the severity of CVE-2026-18509?
CVE-2026-18509 has a severity score of 8.2, indicating a high risk associated with this vulnerability.
How can I mitigate CVE-2026-18509?
To mitigate CVE-2026-18509, ensure all users have the minimum necessary privileges and apply any available patches from IBM.
Who is affected by CVE-2026-18509?
CVE-2026-18509 affects users of IBM i versions 7.3 through 7.6.
Can CVE-2026-18509 lead to data breaches?
Yes, CVE-2026-18509 can allow attackers to access and manipulate sensitive data, increasing the risk of data breaches.
What kind of attack does CVE-2026-18509 facilitate?
CVE-2026-18509 facilitates privilege escalation attacks, enabling authenticated attackers to gain higher access within the system.