CVE-2026-44809 HIGH

CVE-2026-44809: Windows Common Log File System Driver Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 11 Version 24H2
Weakness CWE-416
Published June 9, 2026
Last update June 15, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 15, 2026 Record updated