CVE-2026-55014: Windows Remote Help Defense Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Jul

Released

2026-07-14

Description

Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.

FAQ

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could gain the privileges of the compromised user.

Affected Products (1)

Windows

• Windows Remote Help

Security Updates (1)

• Release Notes

Acknowledgments

Nick Agathos with <a href="https://www.linkedin.com/in/nick-agathos/">Commonwealth Bank of Australia</a>

Revision History

• 2026-07-14: Information published.