CVE-2026-16818
highIBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
Vendor / product: Ibm — vios
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (psirt@us.ibm.com)
Timeline (UTC)
Published: 2026-08-19 15:16
Modified: 2026-10-27 13:10
NVD status: Analyzed
Last synced 20 hours ago
Verified against the source API 2026-10-28 11:30 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
ibm / vios ≥4.1.0 <4.1.0.50, ≥4.1.1.0 <4.1.1.30, ≥4.1.2.0 <4.1.2.20
ibm / aix ≥7.2.5 ≤7.2.5.212, ≥7.3.2 ≤7.3.2.5, ≥7.3.3 ≤7.3.3.2, ≥7.3.4 ≤7.3.4.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.ibm.com/support/pages/node/7283858
Patch / mitigation: https://www.ibm.com/support/pages/node/7283858
References
- https://www.ibm.com/support/pages/node/7283858 psirt@us.ibm.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗