CVE-2026-50321: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50321) involves a race condition (CWE-362) in the Windows USB Driver on Windows 10 Version 1607 (build 10.0.14393.0). The flaw arises from concurrent execution using a shared resource without proper synchronization, which can be exploited by an authorized local attacker to elevate privileges. The issue affects the specified Windows 10 version and has been assigned a high CVSS score of 7.8, indicating significant impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected system. This could lead to full control over the system, compromising confidentiality, integrity, and availability of the affected Windows 10 Version 1607 environment.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50321 for detailed patching instructions.
CVE-2026-50321: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50321) involves a race condition (CWE-362) in the Windows USB Driver on Windows 10 Version 1607 (build 10.0.14393.0). The flaw arises from concurrent execution using a shared resource without proper synchronization, which can be exploited by an authorized local attacker to elevate privileges. The issue affects the specified Windows 10 version and has been assigned a high CVSS score of 7.8, indicating significant impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected system. This could lead to full control over the system, compromising confidentiality, integrity, and availability of the affected Windows 10 Version 1607 environment.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50321 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.951Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50321","vendor":"Microsoft"}]
Threat ID: 6a56768f68715ace43f08c3b
Added to database: 07/14/2026, 17:49:03 UTC
Last enriched: 08/13/2026, 14:32:32 UTC
Last updated: 08/27/2026, 11:04:02 UTC
Views: 50
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