CVE-2026-16656

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to gain root privileges due to improper authentication.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7283858	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:vios::::::::
	cpe:2.3:a:ibm:vios::::::::
	cpe:2.3:a:ibm:vios::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:ibm:aix::::::::
	cpe:2.3:o:ibm:aix::::::::
	cpe:2.3:o:ibm:aix::::::::
	cpe:2.3:o:ibm:aix::::::::

History

No history.

Information

Published : 2026-08-19 15:16

Updated : 2026-08-20 19:16

NVD link : CVE-2026-16656

Mitre link : CVE-2026-16656

CVE.ORG link : CVE-2026-16656

JSON object : View

Products Affected

ibm

aix
vios

CWE

CWE-287

Improper Authentication

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