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 in Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of concurrent execution using shared resources can be exploited by a local attacker with some privileges to elevate their privileges further. The issue is recognized by Microsoft and has an official patch available. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability, requiring high attack complexity and low privileges but no user interaction.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, affecting 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 fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated beyond applying the official patch.
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.
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 in Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of concurrent execution using shared resources can be exploited by a local attacker with some privileges to elevate their privileges further. The issue is recognized by Microsoft and has an official patch available. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability, requiring high attack complexity and low privileges but no user interaction.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, affecting 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 fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated beyond applying the official patch.
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: 4/14/2026, 7:16:56 PM
Last updated: 4/15/2026, 6:08:43 AM
Views: 4
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