CVE-2026-50345: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
CVE-2026-50345 is a race condition vulnerability in Windows Runtime on Microsoft Windows 11 Version 24H2 that allows an authorized local attacker to elevate privileges. The flaw arises from improper synchronization during concurrent execution using a shared resource. This vulnerability has a high severity rating and a CVSS score of 7. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50345) involves a race condition (CWE-362) in the Windows Runtime component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The issue occurs due to improper synchronization when multiple threads or processes concurrently access a shared resource, potentially allowing an authorized local attacker to elevate privileges. The CVSS v3.1 base score is 7.0, 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 than intended. This can lead to full system compromise, including unauthorized access to sensitive data and system resources. There are no known exploits in the wild at the time of publication.
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-2026-50345 to remediate this vulnerability.
CVE-2026-50345: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Description
CVE-2026-50345 is a race condition vulnerability in Windows Runtime on Microsoft Windows 11 Version 24H2 that allows an authorized local attacker to elevate privileges. The flaw arises from improper synchronization during concurrent execution using a shared resource. This vulnerability has a high severity rating and a CVSS score of 7. An official fix is available from Microsoft.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50345) involves a race condition (CWE-362) in the Windows Runtime component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The issue occurs due to improper synchronization when multiple threads or processes concurrently access a shared resource, potentially allowing an authorized local attacker to elevate privileges. The CVSS v3.1 base score is 7.0, 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 than intended. This can lead to full system compromise, including unauthorized access to sensitive data and system resources. There are no known exploits in the wild at the time of publication.
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-2026-50345 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.953Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50345","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d06
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 07/15/2026, 00:32:40 UTC
Last updated: 07/15/2026, 00:32:40 UTC
Views: 2
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