CVE-2026-50450: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50450) involves a concurrent execution issue caused by improper synchronization in the Windows Wireless Wide Area Network Service on Windows 10 Version 1809 (build 10.0.17763.0). An authorized attacker with local access can exploit this race condition to elevate privileges, potentially gaining higher system rights. The issue is classified under CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the affected system. This can lead to full system compromise depending on the privileges escalated. The CVSS v3.1 base score is 7.8 (High), reflecting the significant confidentiality, integrity, and availability impacts.
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-2026-50450 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.377Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50450","vendor":"Microsoft"}]
Threat ID: 6a5676a068715ace43f0949c
Added to database: 07/14/2026, 17:49:20 UTC
Last enriched: 08/13/2026, 14:56:40 UTC
Last updated: 10/05/2026, 06:48:17 UTC
Views: 72
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