AUGUST 27, 2026
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Case File

CVE-2026-19446

HIGH · CVSS 7.5 EPSS 1.03%

Source: NVD + CISA KEV + EPSS · Published 2026-08-20 · Last synced 2026-08-27

CyberRota Analysis

AI-Generated

IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, are vulnerable to a remote unauthenticated attack that exploits a crafted UDP packet sent to an accessible RPC service, leading to total system unavailability. This vulnerability necessitates a restart of the Logical Partition (LPAR) to restore functionality. Organizations using these systems should prioritize patching to mitigate the risk of service disruption.

CVE
CVE-2026-19446
Severity
HIGH
CVSS
7.5
EPSS
1.03%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-19783 MEDIUM CVE-2026-19449 HIGH CVE-2026-19448 MEDIUM CVE-2026-19442 HIGH CVE-2026-19437 HIGH CVE-2026-18842 HIGH