CVE-2026-50348: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in Windows Runtime on Windows 10 Version 1809, where concurrent execution using a shared resource lacks proper synchronization. This flaw can be exploited by an unauthorized attacker remotely to elevate privileges. The issue is tracked as CVE-2026-50348 and has been assigned a CVSS v3.1 score of 7.0, indicating high severity. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An attacker who successfully exploits this race condition vulnerability can elevate their privileges on the affected system remotely over a network. This could lead to partial compromise of confidentiality and integrity, and a significant impact on availability. No known exploits are reported 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-2026-50348 to remediate this vulnerability.
CVE-2026-50348: 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 Runtime allows an unauthorized attacker to elevate privileges over a network.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in Windows Runtime on Windows 10 Version 1809, where concurrent execution using a shared resource lacks proper synchronization. This flaw can be exploited by an unauthorized attacker remotely to elevate privileges. The issue is tracked as CVE-2026-50348 and has been assigned a CVSS v3.1 score of 7.0, indicating high severity. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An attacker who successfully exploits this race condition vulnerability can elevate their privileges on the affected system remotely over a network. This could lead to partial compromise of confidentiality and integrity, and a significant impact on availability. No known exploits are reported 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-2026-50348 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.814Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50348","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d0f
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 07/15/2026, 00:32:24 UTC
Last updated: 07/15/2026, 04:18:39 UTC
Views: 4
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