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THREAT OPS › Threat News › [NVD] CVE-2026-16661 (HIGH 8.2) — 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 vul

[NVD] CVE-2026-16661 (HIGH 8.2) — 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 vul

mednvdPublished 2026-08-19

CVE-2026-16661 CVSS: 8.2 HIGH Published: 2026-08-19T20:17:01.937

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

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-16661