CVE-2026-20818 MEDIUM

CVE-2026-20818: Windows Kernel Information Disclosure Vulnerability

Vendor Microsoft
Product Windows Server 2016
Weakness CWE-532 · Sensitive info in logs
Published January 13, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Insertion of sensitive information into log file in Windows Kernel allows an unauthorized attacker to disclose information locally.

Key dates

02Disclosure timeline

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