Is CVE-2026-19653 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19653?

CVE-2026-19653 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-19653

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to improper handling of memory page table configurations.