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high advisory

Local Privilege Escalation in IBM AIX and PowerVM VIOS via CVE-2026-16821

A format string vulnerability in IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 allows local authenticated users to achieve privilege escalation.

AIX +1 privilege-escalation powervm ibm
1t 1c
high advisory

Exposure of Certificate Authority Private Keys in IBM AIX and PowerVM VIOS

IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 contain intermediate CA private keys within publicly available update files, potentially allowing remote attackers to bypass security restrictions.

AIX +5 vulnerability cve-2026-15065 ibm security-bypass denial-of-service privilege-escalation kernel-vulnerability powervm
3t 1c updated