CVE-2026-42910 HIGH

CVE-2026-42910: Windows Hotpatch Monitoring Service Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 11 Version 24H2
Weakness CWE-787
Published June 9, 2026
Last update June 15, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 15, 2026 Record updated