Is CVE-2026-18527 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18527?

CVE-2026-18527 has a CVSS v3 severity of CRITICAL (9.9).

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CVE-2026-18527

Description

IBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user's authenticated profile gaining elevated privileges on the IBM i system.