CVE-2026-41096 CRITICAL

CVE-2026-41096: Windows DNS Client Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 11 version 23H2
Weakness CWE-122
Published May 12, 2026
Last update June 9, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
June 9, 2026 Record updated