CVE-2026-50404: 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 Media allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50404) involves a race condition (CWE-362) in Windows Media on Windows 11 Version 24H2 (build 10.0.26100.0). The issue occurs due to improper synchronization when multiple threads access a shared resource concurrently, which can be exploited by an authorized local attacker to elevate privileges. The vulnerability is rated high severity with a CVSS 3.1 base score of 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system as indicated by the CVSS vector. There are no known exploits in the wild at this time.
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-2026-50404 to remediate this vulnerability.
CVE-2026-50404: 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 Media allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50404) involves a race condition (CWE-362) in Windows Media on Windows 11 Version 24H2 (build 10.0.26100.0). The issue occurs due to improper synchronization when multiple threads access a shared resource concurrently, which can be exploited by an authorized local attacker to elevate privileges. The vulnerability is rated high severity with a CVSS 3.1 base score of 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system as indicated by the CVSS vector. There are no known exploits in the wild at this time.
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-2026-50404 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:56:53.258Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50404","vendor":"Microsoft"}]
Threat ID: 6a56769a68715ace43f090e3
Added to database: 07/14/2026, 17:49:14 UTC
Last enriched: 08/13/2026, 14:48:41 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 81
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