CVE-2026-19442 HIGH

CVE-2026-19442: Vulnerabilities in IBM AIX and PowerVM VIOS

Vendor Ibm
Product AIX
Weakness CWE-822
Published August 20, 2026
Last update August 22, 2026

CVSS base score

8.2/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a pointer validation flaw exists in the AIX Virtual SCSI (vSCSI) initiator driver. Successful exploitation may result in denial of service, privilege escalation, or full compromise of the client LPAR kernel.

Key dates

02Disclosure timeline

August 20, 2026 CVE published
August 22, 2026 Record updated