Is CVE-2026-16857 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-16857?

CVE-2026-16857 has a CVSS v3 severity of HIGH (8.2).

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CVE-2026-16857

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to manipulate network traffic and DNS configuration due to improper authentication.