CVE-2026-34341: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Double free in Windows Link-Layer Discovery Protocol (LLDP) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability is a double free condition in the Windows Link-Layer Discovery Protocol (LLDP) component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and can lead to privilege escalation by corrupting memory management. The CVSS v3.1 base score is 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system. This can lead to full compromise of the affected Windows 10 Version 1607 system, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34341 to remediate this vulnerability.
CVE-2026-34341: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Description
Double free in Windows Link-Layer Discovery Protocol (LLDP) allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a double free condition in the Windows Link-Layer Discovery Protocol (LLDP) component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and can lead to privilege escalation by corrupting memory management. The CVSS v3.1 base score is 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system. This can lead to full compromise of the affected Windows 10 Version 1607 system, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34341 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-26T21:02:16.446Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34341","vendor":"Microsoft"}]
Threat ID: 6a036540cbff5d861008c484
Added to database: 05/12/2026, 17:37:04 UTC
Last enriched: 06/19/2026, 17:32:54 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 56
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