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CVE-2026-57851

HIGH CVSS: 7.8 Published: 2026-07-07 Modified: 2026-07-10

Description

MSI Feature Manager contains a local privilege escalation vulnerability in the KernCoreLib64.sys kernel driver that allows any locally logged-on user to perform arbitrary physical memory read/write and unrestricted I/O port operations by accessing exposed IOCTL handlers without administrator privileges. Attackers can exploit the accessible device object through IOCTL handlers to manipulate kernel objects, tamper with kernel-mode callbacks, bypass Protected Process Light protections, and disable security software.

Affected Platforms

Unknown

Weakness Type

CWE-782

References