CVE-2026-54112: 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 Win32K allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves concurrent execution using a shared resource with improper synchronization (CWE-362) in the Windows Win32K subsystem on Windows 10 Version 1809 (build 10.0.17763.0). An authorized local attacker can exploit this race condition to elevate privileges, potentially gaining higher system rights. The issue has been assigned CVE-2026-54112 and has a CVSS v3.1 base score of 7.8, indicating high severity. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows a local attacker with limited privileges to elevate their privileges on the affected system. This can lead to full control over the system, including confidentiality, integrity, and availability impacts rated as high. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54112. Applying this update mitigates the vulnerability.
CVE-2026-54112: 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 Win32K 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 involves concurrent execution using a shared resource with improper synchronization (CWE-362) in the Windows Win32K subsystem on Windows 10 Version 1809 (build 10.0.17763.0). An authorized local attacker can exploit this race condition to elevate privileges, potentially gaining higher system rights. The issue has been assigned CVE-2026-54112 and has a CVSS v3.1 base score of 7.8, indicating high severity. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows a local attacker with limited privileges to elevate their privileges on the affected system. This can lead to full control over the system, including confidentiality, integrity, and availability impacts rated as high. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54112. Applying this update mitigates the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-11T20:33:37.835Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54112","vendor":"Microsoft"}]
Threat ID: 6a566f7b68715ace43e6bae4
Added to database: 07/14/2026, 17:18:51 UTC
Last enriched: 08/13/2026, 15:20:45 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 45
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