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Vulnerability DatabaseCVE-2025-27487
CVE-2025-27487:
vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability (CVE-2025-27487) was discovered in the Remote Desktop Client. The vulnerability, disclosed on April 8, 2025, allows an authorized attacker to execute code over a network. Microsoft has assigned this vulnerability a CVSS v3.1 base score of 8.0 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H (NVD, ZDI).
Technical details
The vulnerability is classified as CWE-122 (Heap-based Buffer Overflow). It requires user interaction and low privileges for exploitation, but can be executed remotely over a network. The attack requires the victim to connect to a malicious server (ZDI).
Impact
If successfully exploited, this vulnerability allows an attacker to execute arbitrary code with the privileges of the affected Remote Desktop Client. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability as part of their April 2025 Patch Tuesday updates. Users are advised to apply the security updates immediately (ZDI).
Additional resources
Source: This report was generated using AI
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