Release Date: January 15, 2020

CVE Vulnerability Identifiers: CVE-2019-20357

Platform: Windows

CVSSv3 Scores: 6.7

Severity Ratings: Medium


Trend Micro has released updates for the Trend Micro Security 2019 and 2020 consumer familiy of products which resolves a Persistent Arbitrary Code Execution vulnerability.

Affected versions

Product Affected Versions Platform Language(s)
Premium Security 2019 (v15) and 2020 (v16) Microsoft Windows English
Maximum Security

2019 (v15) and 2020 (v16)

Microsoft Windows English
Internet Security

2019 (v15) and 2020 (v16)

Microsoft Windows English
Antivirus + Security

2019 (v15) and 2020 (v16)

Microsoft Windows English


Product Updated Build Platform Language(s)
All Versions Above 2020 -
2019 - 15.0.1255
Microsoft Windows English

Trend Micro has addressed these vulnerabilities via a patch that is available now through the product’s automatic ActiveUpdate (AU) feature for all products listed above. Customers who receive regular automatic updates from the Internet should have already received the update.

Customers who have not yet received the update can manually click Update Now to ensure they have the latest build.

Vulnerability Details

This update resolves an issue with the Trend Micro Mobile Security 2019 and 2020 consumer family of products which could potentially allow an attacker the ability to create a malicious program to escalate privileges and attain persistence on a vulnerable system.

Trend Micro has received no reports nor is aware of any actual attacks against the affected product related to this vulnerability at this time.


Trend Micro would like to thank the following individual for responsibly disclosing the issue and working with Trend Micro to help protect our customers:

Additional Assistance

Customers who have questions are encouraged to contact Trend Micro Technical Support for further assistance.

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