CVE-2026-50300 MEDIUM

CVE-2026-50300: Windows DWM Core Library Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-191
Published July 14, 2026
Last update July 24, 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

Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 24, 2026 Record updated