---
id: CVE-2026-55015
title: Microsoft Remote Help Denial of Service Vulnerability
summary: >-
  Uncontrolled search path element in Windows Remote Help allows an authorized
  attacker to deny service locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/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: partial
  timestamp: '2026-08-21T12:38:37.362698Z'
published: '2026-08-20'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:45:55.496Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-55015'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55015'
    label: Microsoft Remote Help Denial of Service Vulnerability
tags:
  - cve.org
epss: 0.00977
epssPercentile: 0.60517
ingestedAt: '2026-09-08T18:07:34.894Z'
---

## Overview

Uncontrolled search path element in Windows Remote Help allows an authorized attacker to deny service 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.