CVE-2026-62721 HIGH

CVE-2026-62721: Windows User-Mode Power Service (UMPS) Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-1220
Published August 11, 2026
Last update August 14, 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

Insufficient granularity of access control in User-Mode Power Service (UMPS) allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

August 11, 2026 CVE published
August 14, 2026 Record updated