CVE-2026-96263
IBM Power Systems Firmware Buffer Overflow
- State
- Published
- Severity
- 8.2 High
- Published
- Oct 12, 2026
- Updated
- Oct 13, 2026
- Reserved
- Sep 22, 2026
Description
IBM Power Systems Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the host firmware boot process image validation path. An attacker with service access to the service processor can supply a maliciously crafted code update image, allowing arbitrary code to be executed on the host system. Successful exploitation could result in a confidentiality, integrity, and availability impact to the affected host system.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.2 High | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H | ibm |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
PowerVM HypervisorIBM |
|
References
- https://www.ibm.com/support/pages/node/7290129vendor-advisorypatch
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