CVE-2026-20872 MEDIUM

CVE-2026-20872: NTLM Hash Disclosure Spoofing Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-73
Published January 13, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
April 1, 2026 Record updated