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 concurrent execution issue (race condition) in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS v3.1 base score is 7.8, reflecting high 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 their privileges on the affected system, potentially gaining higher-level access and control. The vulnerability impacts confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official patch to remediate this vulnerability. Users and administrators should apply the provided update from the Microsoft Security Response Center to mitigate the risk. Since the patch is available and the remediation level is official-fix, applying the update is the recommended action.
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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a concurrent execution issue (race condition) in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS v3.1 base score is 7.8, reflecting high 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 their privileges on the affected system, potentially gaining higher-level access and control. The vulnerability impacts confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official patch to remediate this vulnerability. Users and administrators should apply the provided update from the Microsoft Security Response Center to mitigate the risk. Since the patch is available and the remediation level is official-fix, applying the update is the recommended action.
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: 4/14/2026, 5:32:08 PM
Last enriched: 5/19/2026, 10:35:15 AM
Last updated: 5/30/2026, 3:24:32 PM
Views: 41
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