Trend Micro Maximum Security Directory Junction Denial-of-Service Vulnerability [CVE-2021-36744]

CVE number = CVE-2021-36744

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Trend Micro Maximum Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Maximum Security Agent. By creating a directory junction, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Affected versions

Trend Micro Security for Best Buy2021 (v17.2)WindowsEnglish
Trend Micro Security2021 (v17)WindowsEnglish
Trend Micro Security2020 (v16)WindowsEnglish
Trend Micro Security2019 (v15)WindowsEnglish

Trend Micro has issued an update to correct this vulnerability.

Trend Micro has released a hotfix available for each version below that resolves the issue:

More details can be found at:

Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.

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