CVE-2026-26168: 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 Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of concurrent execution using shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized by Microsoft and has been assigned CVE-2026-26168. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected system. This can lead to full control over the impacted Windows 10 Version 1607 system, affecting 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-2026-26168 to remediate this vulnerability.
CVE-2026-26168: 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 Ancillary Function Driver for WinSock 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 involves a race condition (CWE-362) in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of concurrent execution using shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized by Microsoft and has been assigned CVE-2026-26168. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected system. This can lead to full control over the impacted Windows 10 Version 1607 system, affecting 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-2026-26168 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T18:33:57.776Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26168","vendor":"Microsoft"}]
Threat ID: 69de7a1882d89c981fd6a686
Added to database: 04/14/2026, 17:32:08 UTC
Last enriched: 06/19/2026, 16:59:37 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 76
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