CVE-2026-18527

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.

  • Published Aug 28, 2026
  • CVSS 9.9 critical
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-18527 at the National Vulnerability Database