CVE-2026-50439: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
CVE-2026-50439 is a use-after-free vulnerability in the Microsoft Message Queuing Queue Manager component of Windows 10 Version 1607. This flaw allows an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity rating and a CVSS score of 8.1. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50439) involves a use-after-free condition in the Microsoft Message Queuing Queue Manager on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker without privileges or user interaction to execute arbitrary code remotely over the network. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution by an unauthorized attacker, potentially resulting in full system compromise including complete loss of confidentiality, integrity, and availability on affected systems running Windows 10 Version 1607.
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-2026-50439 to remediate this vulnerability.
CVE-2026-50439: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-50439 is a use-after-free vulnerability in the Microsoft Message Queuing Queue Manager component of Windows 10 Version 1607. This flaw allows an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity rating and a CVSS score of 8.1. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50439) involves a use-after-free condition in the Microsoft Message Queuing Queue Manager on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker without privileges or user interaction to execute arbitrary code remotely over the network. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution by an unauthorized attacker, potentially resulting in full system compromise including complete loss of confidentiality, integrity, and availability on affected systems running Windows 10 Version 1607.
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-2026-50439 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50439","vendor":"Microsoft"}]
Threat ID: 6a56769f68715ace43f09470
Added to database: 07/14/2026, 17:49:19 UTC
Last enriched: 07/14/2026, 23:34:04 UTC
Last updated: 07/15/2026, 00:59:41 UTC
Views: 4
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