CVE-2026-20848: 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 Windows SMB Server allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows SMB Server on Windows 10 Version 1607 (build 10.0.14393.0). Due to improper synchronization when accessing shared resources concurrently, an authorized attacker can exploit this flaw over the network to elevate their privileges. The CVSS 3.1 vector indicates network attack vector with high complexity, requiring low privileges and no user interaction, impacting confidentiality, integrity, and availability. The vulnerability is officially published and a patch is available from Microsoft.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges remotely over the network, potentially gaining higher-level access than intended. This can lead to full compromise of affected systems, impacting confidentiality, integrity, and availability of data and services on Windows 10 Version 1607 systems running the vulnerable SMB Server.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 to remediate this issue. No additional mitigations are specified in the provided data.
CVE-2026-20848: 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 Windows SMB Server allows an authorized attacker to elevate privileges over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the Windows SMB Server on Windows 10 Version 1607 (build 10.0.14393.0). Due to improper synchronization when accessing shared resources concurrently, an authorized attacker can exploit this flaw over the network to elevate their privileges. The CVSS 3.1 vector indicates network attack vector with high complexity, requiring low privileges and no user interaction, impacting confidentiality, integrity, and availability. The vulnerability is officially published and a patch is available from Microsoft.
Potential Impact
Successful exploitation allows an authorized attacker to elevate privileges remotely over the network, potentially gaining higher-level access than intended. This can lead to full compromise of affected systems, impacting confidentiality, integrity, and availability of data and services on Windows 10 Version 1607 systems running the vulnerable SMB Server.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 to remediate this issue. No additional mitigations are specified in the provided data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.377Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668ae0a60475309f9ae0ee
Added to database: 1/13/2026, 6:11:44 PM
Last enriched: 4/3/2026, 12:45:18 PM
Last updated: 5/8/2026, 10:43:16 PM
Views: 76
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