CVE-2026-11885 HIGH

CVE-2026-11885: Power System update in Buffer Copy

Vendor Ibm
Product PowerVM Hypervisor
Weakness CWE-120
Published July 30, 2026
Last update July 30, 2026
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 30, 2026 CVE published
July 30, 2026 Record updated