CVE-2026-20812 MEDIUM

CVE-2026-20812: LDAP Tampering Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-20 · Input validation
Published January 13, 2026
Last update April 1, 2026

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to perform tampering over a network.

Key dates

02Disclosure timeline

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