CVE-2026-54107: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
CVE-2026-54107 is a race condition vulnerability in the Windows Win32K component of Microsoft Windows 10 Version 1607. It allows an authorized local attacker to elevate privileges by exploiting improper synchronization during concurrent execution using a shared resource. The vulnerability has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows Win32K subsystem on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization when accessing shared resources can be exploited by an authorized local attacker to elevate privileges. The issue has been assigned CVE-2026-54107 and is rated high severity with a CVSS 3.1 base score of 8.8. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges, potentially gaining higher-level access to the affected system. This could lead to complete system compromise, including full control over confidentiality, integrity, and availability of the system.
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-2026-54107 to remediate this vulnerability.
CVE-2026-54107: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Description
CVE-2026-54107 is a race condition vulnerability in the Windows Win32K component of Microsoft Windows 10 Version 1607. It allows an authorized local attacker to elevate privileges by exploiting improper synchronization during concurrent execution using a shared resource. The vulnerability has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the Windows Win32K subsystem on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization when accessing shared resources can be exploited by an authorized local attacker to elevate privileges. The issue has been assigned CVE-2026-54107 and is rated high severity with a CVSS 3.1 base score of 8.8. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges, potentially gaining higher-level access to the affected system. This could lead to complete system compromise, including full control over confidentiality, integrity, and availability of the system.
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-2026-54107 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-11T20:33:37.834Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54107","vendor":"Microsoft"}]
Threat ID: 6a566f7b68715ace43e6bad8
Added to database: 07/14/2026, 17:18:51 UTC
Last enriched: 07/15/2026, 01:04:38 UTC
Last updated: 07/15/2026, 01:04:38 UTC
Views: 2
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