CVE-2026-49802: 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 (CVE-2026-49802) involves a race condition (CWE-362) in the Windows USB Print Driver component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The race condition occurs due to improper synchronization when multiple threads access shared resources concurrently. Exploiting this flaw allows an authorized local attacker to elevate their privileges on the affected system. The vulnerability has a CVSS v3.1 base score of 7.0 (high severity), with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate their privileges on a Windows 11 Version 24H2 system, potentially gaining higher-level access than intended. This can lead to full system compromise with confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49802. No additional mitigation steps are indicated beyond applying the official patch.
CVE-2026-49802: 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 (CVE-2026-49802) involves a race condition (CWE-362) in the Windows USB Print Driver component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The race condition occurs due to improper synchronization when multiple threads access shared resources concurrently. Exploiting this flaw allows an authorized local attacker to elevate their privileges on the affected system. The vulnerability has a CVSS v3.1 base score of 7.0 (high severity), with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate their privileges on a Windows 11 Version 24H2 system, potentially gaining higher-level access than intended. This can lead to full system compromise with confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49802. No additional mitigation steps are indicated beyond applying the official patch.
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-2026-49802","vendor":"Microsoft"}]
Threat ID: 6a566f6f68715ace43e6b59f
Added to database: 07/14/2026, 17:18:39 UTC
Last enriched: 08/13/2026, 14:26:14 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 53
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