CVE-2026-49784: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a concurrent execution issue (CWE-362) in the Windows App Store component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization when accessing shared resources can lead to a race condition that enables an authorized attacker with local access to elevate privileges. The CVSS v3.1 score is 7.0, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system as per the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this issue.
CVE-2026-49784: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Windows App Store 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 concurrent execution issue (CWE-362) in the Windows App Store component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization when accessing shared resources can lead to a race condition that enables an authorized attacker with local access to elevate privileges. The CVSS v3.1 score is 7.0, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system as per the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-01T17:02:37.207Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49784","vendor":"Microsoft"}]
Threat ID: 6a566f6d68715ace43e6b528
Added to database: 07/14/2026, 17:18:37 UTC
Last enriched: 08/13/2026, 14:23:03 UTC
Last updated: 08/28/2026, 22:52:11 UTC
Views: 65
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