CVE-2026-11885

Power System update in Buffer Copy

State: Published
Severity: 8.4 High
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: Jun 10, 2026

Description

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervisor call can cause the PowerVM hypervisor to crash or compromise OS memory integrity.

Scores

CVSS	Score	Vector	Source
3.1	8.4 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H	ibm

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
PowerVM HypervisorIBM	FW1110.00 through FW1110.20Affected FW1060.00 through FW1060.71Affected FW950.00 through FW950.H1Affected

References

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

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