CVE-2026-59128

Microsoft · Published August 11, 2026

5.5

CVSS v3.1

MEDIUM

Patch availableGet patch

Description

Windows Encrypting File System (EFS) Information Disclosure Vulnerability. Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally.

Affected Products

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)

CVSS Vector

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