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MSI Feature Manager

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high advisory

CVE-2026-57851 — MSI Feature Manager Kernel Driver Local Privilege Escalation

A local privilege escalation vulnerability (CVE-2026-57851) exists in the MSI Feature Manager's KernCoreLib64.sys kernel driver that allows any local user to perform arbitrary physical memory read/write and unrestricted I/O port operations by accessing exposed IOCTL handlers without requiring administrator privileges, enabling manipulation of kernel objects, tampering with kernel-mode callbacks, bypassing Protected Process Light, and disabling security software.

MSI Feature Manager privilege-escalation vulnerability windows driver-vulnerability
1t 1c