CVE-2026-47653: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
CVE-2026-47653 is a heap-based buffer overflow vulnerability classified as CWE-416 (Use After Free) affecting the Remote Desktop Client in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The vulnerability allows remote attackers to execute arbitrary code without privileges, requiring only user interaction. The CVSS v3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on an affected system, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.
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-2026-47653 to remediate this vulnerability.
CVE-2026-47653: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 8.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-47653 is a heap-based buffer overflow vulnerability classified as CWE-416 (Use After Free) affecting the Remote Desktop Client in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The vulnerability allows remote attackers to execute arbitrary code without privileges, requiring only user interaction. The CVSS v3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on an affected system, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.
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-2026-47653 to remediate this vulnerability.
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
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47653","vendor":"Microsoft"}]
Threat ID: 6a284cf28dd33fbd85665086
Added to database: 6/9/2026, 5:27:14 PM
Last enriched: 6/9/2026, 5:55:49 PM
Last updated: 6/10/2026, 5:13:10 AM
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.