CVE-2026-56188: 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 Server Network driver allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-56188) is a race condition (CWE-362) in the Windows Server Network driver on Windows 10 Version 1607 (build 10.0.14393.0). It arises from improper synchronization when multiple executions access a shared resource concurrently. Exploitation could enable an unauthenticated attacker to execute arbitrary code remotely over the network. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation allows remote, unauthenticated attackers to execute arbitrary code on affected systems, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system. 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 provided security update for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56188 for detailed patch information and installation instructions.
CVE-2026-56188: 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 Server Network driver allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-56188) is a race condition (CWE-362) in the Windows Server Network driver on Windows 10 Version 1607 (build 10.0.14393.0). It arises from improper synchronization when multiple executions access a shared resource concurrently. Exploitation could enable an unauthenticated attacker to execute arbitrary code remotely over the network. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation allows remote, unauthenticated attackers to execute arbitrary code on affected systems, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system. 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 provided security update for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56188 for detailed patch information and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-19T13:54:04.006Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56188","vendor":"Microsoft"}]
Threat ID: 6a5676ba68715ace43f0aea2
Added to database: 07/14/2026, 17:49:46 UTC
Last enriched: 08/13/2026, 15:48:52 UTC
Last updated: 08/28/2026, 19:39:45 UTC
Views: 62
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