CVE-2026-49784: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
CVE-2026-49784 is a race condition vulnerability in Microsoft Windows 10 Version 1607's App Store component. It allows an authorized local attacker to elevate privileges due to improper synchronization when accessing shared resources. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a concurrent execution issue caused by improper synchronization of shared resources in the Windows App Store on Windows 10 Version 1607 (build 10.0.14393.0). The race condition can be exploited by an authorized local attacker to elevate privileges. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges, potentially gaining higher-level access on the affected system. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at this time.
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-2026-49784 to remediate this vulnerability.
CVE-2026-49784: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Description
CVE-2026-49784 is a race condition vulnerability in Microsoft Windows 10 Version 1607's App Store component. It allows an authorized local attacker to elevate privileges due to improper synchronization when accessing shared resources. The vulnerability has a high severity rating with a CVSS 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 concurrent execution issue caused by improper synchronization of shared resources in the Windows App Store on Windows 10 Version 1607 (build 10.0.14393.0). The race condition can be exploited by an authorized local attacker to elevate privileges. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges, potentially gaining higher-level access on the affected system. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at this time.
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-2026-49784 to remediate this vulnerability.
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: 07/15/2026, 01:48:08 UTC
Last updated: 07/15/2026, 03:33:22 UTC
Views: 5
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