Is CVE-2026-18077 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18077?

CVE-2026-18077 has a CVSS v3 severity of HIGH (7.5).

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Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a stack-based buffer overflow.