CVE-2026-55013: CWE-427: Uncontrolled Search Path Element in Microsoft Windows Remote Help
Description
Uncontrolled search path element in Windows Remote Help Defense allows an authorized attacker to perform spoofing locally.
CVSS v3.1
Score 7.1high
Affected software
Microsoft
Windows Remote Help
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-55013 (CWE-427) affects Microsoft Windows Remote Help. It is caused by an uncontrolled search path element, which can be exploited by an authorized local attacker to perform spoofing attacks. The CVSS v3.1 base score is 7.1, indicating high severity, with attack vector local, low attack complexity, low privileges required, no user interaction, and high impact on confidentiality and integrity. The vulnerability is officially fixed by Microsoft in versions 5.2.1040.0 and later.
Potential Impact
An authorized local attacker can exploit this vulnerability to spoof components or data within Windows Remote Help, potentially leading to unauthorized disclosure or modification of information. The vulnerability does not impact availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the update to Windows Remote Help version 5.2.1040.0 or later to remediate this issue. No additional mitigation actions are required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:12:44.284Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55013","vendor":"Microsoft"}]
Threat ID: 6a877787acd9273b492c5e44
Added to database: 08/20/2026, 21:54:15 UTC
Last enriched: 09/29/2026, 02:50:01 UTC
Last updated: 10/05/2026, 06:48:17 UTC
Views: 60
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