CVE-2025-58718
vulnerability analysis and mitigation

Overview

A use-after-free vulnerability in Microsoft Remote Desktop Client (CVE-2025-58718) was disclosed on October 14, 2025. The vulnerability affects Remote Desktop client versions prior to 1.2.6599.0, allowing an unauthorized attacker to execute code over a network (NVD, Qualys).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-416 (Use After Free) (NVD).

Impact

Successful exploitation of this vulnerability allows an unauthorized attacker to execute arbitrary code over a network, potentially leading to full system compromise (Qualys).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Users are advised to update their Remote Desktop client to version 1.2.6599.0 or later (Qualys).

Additional resources


SourceThis report was generated using AI

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