CVE-2025-59277

Microsoft · Published October 14, 2025

7.8

CVSS v3.1

HIGH

Patch availableGet patch

Description

Windows Authentication Elevation of Privilege Vulnerability. Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges 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:H/A:H/E:U/RL:O/RC:C