CVE-2026-50439: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50439) involves a use-after-free condition in the Microsoft Message Queuing Queue Manager component on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely over the network. The vulnerability is classified under CWE-416 (Use After Free). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability. An attacker could run arbitrary code on the affected system without user interaction or privileges, potentially leading to full system compromise.
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
Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
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 component on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely over the network. The vulnerability is classified under CWE-416 (Use After Free). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability. An attacker could run arbitrary code on the affected system without user interaction or privileges, potentially leading to full system compromise.
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: 08/13/2026, 14:55:11 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 50
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