Is CVE-2026-19448 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19448?

CVE-2026-19448 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-19448

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service.