This vulnerability (CVE-2026-83998) involves a heap-based buffer overflow in the Remote Desktop Client of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker to execute arbitrary code remotely without privileges, requiring user interaction. The vulnerability is rated high severity (CVSS 8.8) and has an official patch released by Microsoft. No known exploits in the wild have been reported at this time.

Successful exploitation could result in remote code execution with high impact on confidentiality, integrity, and availability of the affected system. The attacker does not require privileges but does require user interaction to trigger the vulnerability. This could lead to full system compromise if exploited.

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-2026-83998 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.