CVE-2026-49806: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
CVE-2026-49806 is a race condition vulnerability in the Windows USB Print Driver on Microsoft Windows 11 Version 24H2. This flaw allows an authorized local attacker to elevate privileges due to improper synchronization when accessing shared resources concurrently. The vulnerability has a high severity score of 7. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows USB Print Driver component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). Improper synchronization during concurrent execution of shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate their privileges on the affected system. This can lead to full control over the system, compromising confidentiality, integrity, and availability of the affected Windows 11 installation.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49806 for update details and installation instructions.
CVE-2026-49806: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Description
CVE-2026-49806 is a race condition vulnerability in the Windows USB Print Driver on Microsoft Windows 11 Version 24H2. This flaw allows an authorized local attacker to elevate privileges due to improper synchronization when accessing shared resources concurrently. The vulnerability has a high severity 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 involves a race condition (CWE-362) in the Windows USB Print Driver component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). Improper synchronization during concurrent execution of shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.0, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate their privileges on the affected system. This can lead to full control over the system, compromising confidentiality, integrity, and availability of the affected Windows 11 installation.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49806 for update details and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-01T17:02:37.208Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49806","vendor":"Microsoft"}]
Threat ID: 6a566f7268715ace43e6b6da
Added to database: 07/14/2026, 17:18:42 UTC
Last enriched: 07/15/2026, 01:32:52 UTC
Last updated: 07/15/2026, 01:32:52 UTC
Views: 2
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