Skip to content
CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-16661

Power System Integer Overflow

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
ibm

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM PowerVM Hypervisor

  • FW1120.00affected
  • FW1110.00 to ≤ FW1110.30affected
  • FW1060.00 to ≤ FW1060.80affected
  • FW950.00 to ≤ FW950.H2affected

References