CVE-2026-83774 MEDIUM

CVE-2026-83774: Windows Win32 Kernel Subsystem Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-497
Published October 13, 2026
Last update October 19, 2026
View on NVD All CVEs

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 19, 2026 Record updated

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