CVE-2026-19446
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Aug 20, 2026
Vendor
unknown
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker can send a crafted UDP packet to a reachable RPC service, resulting in complete system unavailability and requiring an LPAR restart.