---
id: CVE-2026-55013
title: Windows Remote Help Defense Spoofing Vulnerability
summary: >-
  Uncontrolled search path element in Windows Remote Help Defense allows an
  authorized attacker to perform spoofing locally.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-427
vendor: Microsoft
product: Windows Remote Help
affected:
  - windows_remote_help >= 5.0.0.0 < 5.2.1040.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-08-21T00:00:00+00:00'
published: '2026-08-20'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:45:56.023Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-55013'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55013'
    label: Windows Remote Help Defense Spoofing Vulnerability
tags:
  - cve.org
epss: 0.00227
epssPercentile: 0.13681
ingestedAt: '2026-09-08T18:07:34.893Z'
---

## Overview

Uncontrolled search path element in Windows Remote Help Defense allows an authorized attacker to perform spoofing locally.

## Affected

- `windows_remote_help >= 5.0.0.0 < 5.2.1040.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.