CVE-2025-62452
vulnerability analysis and mitigation

Overview

A heap-based buffer overflow vulnerability (CVE-2025-62452) was discovered in Windows Routing and Remote Access Service (RRAS). The vulnerability was disclosed on November 11, 2025, affecting multiple versions of Microsoft Windows and Windows Server operating systems (NVD, Rapid7).

Technical details

The vulnerability has been assigned 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. The issue exists in the Windows Routing and Remote Access Service (RRAS) component and is classified as a heap-based buffer overflow vulnerability (CWE-122) (NVD).

Impact

Successful exploitation of this vulnerability could allow an authorized attacker to execute arbitrary code over a network, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system (NVD, Rapid7).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability across multiple affected versions of Windows and Windows Server. Users are advised to apply the relevant security updates (KB5068779, KB5068781, KB5068787, KB5068791, KB5068861, KB5068864, KB5068865, KB5068905, KB5068907) for their specific system versions (Rapid7).

Additional resources


SourceThis report was generated using AI

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