CVE-2025-53778 HIGH

CVE-2025-53778: Windows NTLM Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-287 · Improper authentication
Published August 12, 2025
Last update February 26, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/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

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 26, 2026 Record updated