HIGH 8.2 NVD

CVE-2026-16661

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability, allowing arbitrary code to be executed in the host firmware runtime, giving full control over the managed system, resulting in a confidentiality, integrity, and availability impact to the managed system.

References

https://www.ibm.com/support/pages/node/7283237

Published: 2026-08-19 · Source: NVD · Feed updated: 2026-08-20

This high severity vulnerability with a CVSS score of 8.2 was published on 2026-08-19 via NVD.

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