CVE-2026-62798 MEDIUM

CVE-2026-62798: Win32k Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 11 version 23H2
Weakness CWE-822
Published August 11, 2026
Last update August 20, 2026

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

Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

Key dates

02Disclosure timeline

August 11, 2026 CVE published
August 20, 2026 Record updated