CVE-2026-54996: 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 USB Print Driver allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows USB Print Driver component of Windows 11 Version 24H2 (build 10.0.26100.0). Improper synchronization during concurrent execution with shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized by Microsoft and has been assigned CVE-2026-54996. Microsoft has released an official patch to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges on the affected system. This can lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). No known exploits are currently reported in the wild.
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-2026-54996 to remediate this vulnerability.
CVE-2026-54996: 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 USB Print Driver 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 involves a race condition (CWE-362) in the Windows USB Print Driver component of Windows 11 Version 24H2 (build 10.0.26100.0). Improper synchronization during concurrent execution with shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized by Microsoft and has been assigned CVE-2026-54996. Microsoft has released an official patch to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges on the affected system. This can lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). No known exploits are currently reported in the wild.
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-2026-54996 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.869Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54996","vendor":"Microsoft"}]
Threat ID: 6a566f7e68715ace43e6bc25
Added to database: 07/14/2026, 17:18:54 UTC
Last enriched: 07/14/2026, 17:50:35 UTC
Last updated: 07/15/2026, 00:04:56 UTC
Views: 4
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