Is CVE-2026-16877 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-16877?

CVE-2026-16877 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-16877

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary code due to a stack-based buffer overflow.