CVE-2026-16661
8.2
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | PowerVM Hypervisor | FW1120.00 | affected |
| IBM | PowerVM Hypervisor | FW1110.00 <= FW1110.30 | affected |
| IBM | PowerVM Hypervisor | FW1060.00 <= FW1060.80 | affected |
| IBM | PowerVM Hypervisor | FW950.00 <= FW950.H2 | affected |
Weaknesses
- CWE-190: CWE-190 Integer Overflow or Wraparound
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.