OS Hypervisor Vulnerability in IBM PowerVM from IBM
CVE-2026-11885

8.4HIGH

Key Information:

Vendor

IBM
Status
Powervm Hypervisor
Vendor
CVE Published:
30 July 2026

What is CVE-2026-11885?

IBM PowerVM Hypervisor is susceptible to a vulnerability that allows an attacker to execute a carefully constructed OS hypervisor call, potentially leading to crashes of the hypervisor or the compromise of the OS memory integrity. This affects several versions of the PowerVM firmware, underscoring the need for vigilance and immediate updates.

Affected Version(s)

PowerVM Hypervisor FW1110.00

PowerVM Hypervisor FW1060.00

PowerVM Hypervisor FW950.00

References

https://www.ibm.com/support/pages/node/7280628
vendor-advisorypatch

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.