CVE-2021-43772: Trend Micro Antivirus+ Security

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Trend Micro Security 2021 v17.0 (Consumer) contains a vulnerability that allows files inside the protected folder to be modified without any detection.

Affected products

• Trend Micro Antivirus+ Security: up to and including 2021
• Trend Micro Internet Security: up to and including 2021
• Trend Micro Maximum Security: up to and including 2021
• Trend Micro Premium Security: up to and including 2021

Published 2021-12-03. Last modified 2026-06-17.