CVE-2026-54112: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
CVE-2026-54112 is a race condition vulnerability in the Windows Win32K component of Microsoft Windows 10 Version 1809. It allows a locally authorized attacker to elevate privileges due to improper synchronization when concurrently accessing shared resources. The vulnerability has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows Win32K subsystem of Windows 10 Version 1809 (build 10.0.17763.0). Improper synchronization during concurrent execution using shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized and patched by Microsoft, with an official fix released. No known exploits in the wild have been reported as of the publication date.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges on the affected system. This could lead to full system compromise with high impact on confidentiality, integrity, and availability as indicated by the CVSS vector (C:H/I:H/A:H).
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-2026-54112 to remediate this vulnerability.
CVE-2026-54112: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
Description
CVE-2026-54112 is a race condition vulnerability in the Windows Win32K component of Microsoft Windows 10 Version 1809. It allows a locally authorized attacker to elevate privileges due to improper synchronization when concurrently accessing shared resources. The vulnerability has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the Windows Win32K subsystem of Windows 10 Version 1809 (build 10.0.17763.0). Improper synchronization during concurrent execution using shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized and patched by Microsoft, with an official fix released. No known exploits in the wild have been reported as of the publication date.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges on the affected system. This could lead to full system compromise with high impact on confidentiality, integrity, and availability as indicated by the CVSS vector (C:H/I:H/A:H).
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-2026-54112 to remediate this 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: 07/15/2026, 01:04:16 UTC
Last updated: 07/15/2026, 01:24:08 UTC
Views: 3
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