Exploited CVEs / By vendor / Trend Micro
Trend Micro vulnerabilities actively exploited
12 Trend Micro CVEs on the CISA Known Exploited Vulnerabilities catalog, newest first. Refreshed daily.
Every CVE below is confirmed exploited in the wild, not just theoretically severe. The newest addition is CVE-2026-34926 (Apex One, added 2026-05-21). New CISA KEV entries appear here the day they are cataloged; the freshest across all vendors are on exploited this week.
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Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
All Trend Micro entries
| CVE | Product | Added to KEV | Signals |
|---|---|---|---|
| CVE-2026-34926 | Apex One | 2026-05-21 | CVSS 6.7, EPSS 13% |
| CVE-2025-54948 | Apex One | 2025-08-18 | CVSS 9.8, EPSS 21% |
| CVE-2023-41179 | Apex One and Worry-Free Business Security | 2023-09-21 | CVSS 7.2, EPSS 5% |
| CVE-2022-40139 | Apex One and Apex One as a Service | 2022-09-15 | CVSS 7.2, EPSS 3% |
| CVE-2022-26871 | Apex Central | 2022-03-31 | CVSS 9.8, EPSS 20% |
| CVE-2019-18187 | OfficeScan | 2021-11-03 | CVSS 7.5, EPSS 25% |
| CVE-2020-24557 | Apex One, OfficeScan, and Worry-Free Business Security | 2021-11-03 | CVSS 7.8, EPSS 3% |
| CVE-2020-8467 | Apex One and OfficeScan | 2021-11-03 | CVSS 8.8, EPSS 11% |
| CVE-2020-8468 | Apex One, OfficeScan and Worry-Free Business Security Agents | 2021-11-03 | CVSS 8.8, EPSS 6% |
| CVE-2020-8599 | Apex One and OfficeScan | 2021-11-03 | CVSS 9.8, EPSS 12% |
| CVE-2021-36741 | Apex One, Apex One as a Service, and Worry-Free Business Security | 2021-11-03 | CVSS 8.8, EPSS 5% |
| CVE-2021-36742 | Apex One, Apex One as a Service, and Worry-Free Business Security | 2021-11-03 | CVSS 7.8, EPSS 1% |
Common questions about exploited Trend Micro CVEs
Which Trend Micro vulnerabilities are actively exploited?
As of August 2026, 12 Trend Micro CVEs are on the CISA Known Exploited Vulnerabilities catalog, meaning exploitation in the wild is confirmed.
What is the newest exploited Trend Micro CVE?
CVE-2026-34926, affecting Apex One, added to the CISA KEV catalog on 2026-05-21. This page refreshes daily, so the newest entry is always first in the table.
How urgent are these Trend Micro CVEs?
KEV listing is the strongest fix-first signal there is: it means confirmed exploitation, not a prediction. Patch these ahead of higher-CVSS issues that nobody is exploiting. Check the vendor advisory (linked below) for fixed versions and workarounds.
Can I ask my own AI about exploited Trend Micro CVEs?
Yes. This page includes a free copy-paste AI prompt carrying the newest Trend Micro KEV entries, with CVSS, EPSS, and ransomware context, into Claude, ChatGPT, or Copilot. The data is refreshed twice a day (5 AM and 3 PM US Central).
Authoritative references
All vendors, searchable with due dates and CSV export: the exploited-CVE tracker. Every vendor with a page: exploited by vendor.