CVE-2026-96266 IBM Power Systems Firmware - Memory Corruption

IBM Power Systems Firmware FW1060.00 through FW1060.81 contains a memory corruption vulnerability caused by improper host firmware configuration parsing, letting authenticated service-level attackers compromise the host firmware boot stack and hypervisor during system IPL.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Memory Corruption
Impact
Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to a version later than FW1060.81 or the latest available firmware version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs