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CVE-2026-40397

7.8 HIGH

Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally

Published: 2026-05-12 · Last updated: 2026-06-01

Severity and scoring

CVSS
7.8 HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-191

Affected products

VendorProduct
microsoftwindows_10_1607, windows_10_1809, windows_10_21h2

Description

Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Source: NVD

References

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