CVE-2026-16997

HIGH CVSS 3.1: 7.8 EPSS 0.12%
Updated Aug 25, 2026
IBM
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions 4.1.0 — 7.3.4.1
Fixed In 4.1.0.50
Type CWE-269 (Improper Privilege Management)
Vendor IBM
Public PoC No

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary commands due to improper privilege management.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 7

Configuration From (including) Up to (excluding)
Ibm Vios
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
4.1.0 4.1.0.50
Ibm Vios
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
4.1.1.0 4.1.1.30
Ibm Vios
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
4.1.2.0 4.1.2.20
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.2.5 <= 7.2.5.212
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.3.2 <= 7.3.2.5
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.3.3 <= 7.3.3.2
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.3.4 <= 7.3.4.1