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P4
CVE-2026-57851: KernCoreLib64.sys 0 through 1.0.2605.1301
CVE-2026-57851. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00166 (percentile 0.05845), scored 25-Oct-2026.
Affected technology
KernCoreLib64.sys · 0 through 1.0.2605.1301
Micro-Star International (MSI)
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
Any locally logged-on user can perform arbitrary physical memory read/write and unrestricted I/O port operations by accessing exposed IOCTL handlers without administrator privileges. Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-782
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00166 · percentile 0.05845 · 2026-10-25
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-57851.html