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 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-26)

CWE

CWE-287

Published

2026-08-19

Modified

2026-10-27

Record from

the NVD, synced 2026-10-27

Affected

• ibm:aix
• ibm:vios

References

• https://www.ibm.com/support/pages/node/7283858

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