CVE-2021-26435
vulnerability analysis and mitigation

Overview

Windows Scripting Engine Memory Corruption Vulnerability (CVE-2021-26435) is a security flaw discovered in 2021 affecting various versions of Microsoft Windows operating systems. The vulnerability was assigned on January 29, 2021, and received a CVSS v3.1 score of 8.1, indicating high severity (NVD).

Technical details

The vulnerability is classified as a memory corruption issue (CWE-787) in the Windows Scripting Engine. It requires local access and user interaction to exploit. The vulnerability received a CVSS v3.1 base score of 8.1 with the following vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating that it requires local access and user interaction but could lead to high impacts on confidentiality, integrity, and availability (NVD).

Impact

If successfully exploited, this vulnerability could allow an attacker to achieve high levels of impact on system confidentiality, integrity, and availability. The vulnerability affects multiple versions of Windows operating systems, including Windows 10, Windows Server 2016, Windows Server 2019, and Windows Server 2022 (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Users should apply the appropriate patches through Windows Update to protect their systems (MSRC).

Additional resources


SourceThis report was generated using AI

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