CVE-2026-21222 MEDIUM

CVE-2026-21222: Windows Kernel Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-532 · Sensitive info in logs
Published February 10, 2026
Last update May 11, 2026
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/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 authorized attacker to disclose information locally.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
May 11, 2026 Record updated