CVE-2026-50440: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50440) involves a race condition (CWE-362) in the Windows Audio Service on Windows 11 Version 24H2 (build 10.0.26100.0). Improper synchronization during concurrent execution of shared resources enables a local attacker with authorized access to elevate privileges. The flaw impacts confidentiality, integrity, and availability with high severity. Microsoft has published an official fix to remediate the issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise or unauthorized actions with elevated rights. The vulnerability affects 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-2026-50440 to remediate this vulnerability.
CVE-2026-50440: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service 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 (CVE-2026-50440) involves a race condition (CWE-362) in the Windows Audio Service on Windows 11 Version 24H2 (build 10.0.26100.0). Improper synchronization during concurrent execution of shared resources enables a local attacker with authorized access to elevate privileges. The flaw impacts confidentiality, integrity, and availability with high severity. Microsoft has published an official fix to remediate the issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise or unauthorized actions with elevated rights. The vulnerability affects 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-2026-50440 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50440","vendor":"Microsoft"}]
Threat ID: 6a56769f68715ace43f09473
Added to database: 07/14/2026, 17:49:19 UTC
Last enriched: 08/13/2026, 14:55:20 UTC
Last updated: 08/26/2026, 11:03:42 UTC
Views: 41
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