CVE-2026-47654: CWE-416: Use After Free in Microsoft Windows Server 2016
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-47654) involves a use-after-free condition in the Remote Desktop Client on Windows Server 2016 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has issued a temporary fix to address this vulnerability.
Potential Impact
Successful exploitation could lead to remote code execution by an unauthorized attacker, compromising system confidentiality, integrity, and availability. This could allow attackers to take control of affected systems remotely without prior authentication.
Mitigation Recommendations
Microsoft has released a temporary fix for this vulnerability. Administrators should apply the temporary fix as recommended in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47654. Monitor the vendor advisory for updates regarding a permanent official fix.
CVE-2026-47654: CWE-416: Use After Free in Microsoft Windows Server 2016
Description
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47654) involves a use-after-free condition in the Remote Desktop Client on Windows Server 2016 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has issued a temporary fix to address this vulnerability.
Potential Impact
Successful exploitation could lead to remote code execution by an unauthorized attacker, compromising system confidentiality, integrity, and availability. This could allow attackers to take control of affected systems remotely without prior authentication.
Mitigation Recommendations
Microsoft has released a temporary fix for this vulnerability. Administrators should apply the temporary fix as recommended in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47654. Monitor the vendor advisory for updates regarding a permanent official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-19T20:12:27.071Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- temporary-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47654","vendor":"Microsoft"}]
Threat ID: 6a284cf28dd33fbd85665089
Added to database: 06/09/2026, 17:27:14 UTC
Last enriched: 07/29/2026, 22:07:21 UTC
Last updated: 07/31/2026, 19:30:14 UTC
Views: 61
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