CVE-2026-55015: CWE-427: Uncontrolled Search Path Element in Microsoft Windows Remote Help
CVE-2026-55015 is a medium severity vulnerability in Microsoft Windows Remote Help involving an uncontrolled search path element. This flaw allows an authorized attacker to cause a local denial of service. The vulnerability does not impact confidentiality or integrity but affects availability. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-427, involves an uncontrolled search path element in Windows Remote Help. An authorized attacker with local access can exploit this to deny service on the affected system. The CVSS 3.1 base score is 5.5, reflecting local attack vector, low complexity, and no user interaction required. The vulnerability affects version 5.0.0.0 of Windows Remote Help. Microsoft has released an official fix to address this issue.
Potential Impact
The impact is limited to denial of service locally by an authorized attacker. There is no impact on confidentiality or integrity of data. The availability of the Windows Remote Help service can be disrupted.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55015 to remediate this vulnerability.
CVE-2026-55015: CWE-427: Uncontrolled Search Path Element in Microsoft Windows Remote Help
Description
CVE-2026-55015 is a medium severity vulnerability in Microsoft Windows Remote Help involving an uncontrolled search path element. This flaw allows an authorized attacker to cause a local denial of service. The vulnerability does not impact confidentiality or integrity but affects availability. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-427, involves an uncontrolled search path element in Windows Remote Help. An authorized attacker with local access can exploit this to deny service on the affected system. The CVSS 3.1 base score is 5.5, reflecting local attack vector, low complexity, and no user interaction required. The vulnerability affects version 5.0.0.0 of Windows Remote Help. Microsoft has released an official fix to address this issue.
Potential Impact
The impact is limited to denial of service locally by an authorized attacker. There is no impact on confidentiality or integrity of data. The availability of the Windows Remote Help service can be disrupted.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55015 to remediate this vulnerability.
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-2026-55015","vendor":"Microsoft"}]
Threat ID: 6a877787acd9273b492c5e46
Added to database: 08/20/2026, 21:54:15 UTC
Last enriched: 08/20/2026, 22:53:00 UTC
Last updated: 08/20/2026, 22:53:00 UTC
Views: 2
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