CVE-2026-20925

Published Jan 13, 2026

Last updated 2 months ago

Overview

Description
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_10_1607, windows_10_1809, windows_10_21h2, windows_10_22h2, windows_11_23h2, windows_11_24h2, windows_11_25h2, windows_server_2008, windows_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2022_23h2, windows_server_2025

Risk scores

CVSS 3.1

Type
Primary
Base score
6.5
Impact score
3.6
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

secure@microsoft.com
CWE-73

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.