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Trend Micro: actively exploited vulnerabilities

12 vulnerabilities in Trend Micro products (Apex One (ex-OfficeScan), Apex Central) are in CISA’s catalog of exploited vulnerabilities. Last added: May 21, 2026.

Trend Micro security advisories

The brand’s general security advisories page, not the advisory for a specific vulnerability (address checked September 28, 2026).

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A high count also reflects how widely a product is deployed and how much attackers care about it: it is not a security rating.

Affected products

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  • Apex One (ex-OfficeScan)11 vulnerabilities, Security products
  • Apex Central1 vulnerability, Security products

Name used by CISA: Trend Micro. Product families: indicative classification by this site.

Patch first

In the order of the main list (Patch first): recent additions first, then the most severe. The number is the rank within this Trend Micro list.

  1. Rank 1

    Trend Micro Apex One (ex-OfficeScan)CVE-2026-34926

    Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability

    CVSS severity 6.7medium

    Added May 21, 2026

  2. Rank 2

    Trend Micro Apex One (ex-OfficeScan)CVE-2025-54948

    Trend Micro Apex One OS Command Injection Vulnerability

    CVSS severity 9.8critical

    Added Aug 18, 2025

  3. Rank 3

    Trend Micro Apex CentralCVE-2022-26871

    Trend Micro Apex Central Arbitrary File Upload Vulnerability

    CVSS severity 9.8critical

    Added Mar 31, 2022

  4. Rank 4

    Trend Micro Apex One (ex-OfficeScan)CVE-2020-8599

    Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability

    CVSS severity 9.8critical

    Added Nov 3, 2021

  5. Rank 5

    Trend Micro Apex One (ex-OfficeScan)CVE-2020-8467

    Trend Micro Apex One and OfficeScan Remote Code Execution Vulnerability

    CVSS severity 8.8high

    Added Nov 3, 2021

  6. Rank 6

    Trend Micro Apex One (ex-OfficeScan)CVE-2020-8468

    Trend Micro Multiple Products Content Validation Escape Vulnerability

    CVSS severity 8.8high

    Added Nov 3, 2021

  7. Rank 7

    Trend Micro Apex One (ex-OfficeScan)CVE-2021-36741

    Trend Micro Multiple Products Improper Input Validation Vulnerability

    CVSS severity 8.8high

    Added Nov 3, 2021

  8. Rank 8

    Trend Micro Apex One (ex-OfficeScan)CVE-2020-24557

    Trend Micro Multiple Products Improper Access Control Vulnerability

    CVSS severity 7.8high

    Added Nov 3, 2021

  9. Rank 9

    Trend Micro Apex One (ex-OfficeScan)CVE-2021-36742

    Trend Micro Multiple Products Improper Input Validation Vulnerability

    CVSS severity 7.8high

    Added Nov 3, 2021

  10. Rank 10

    Trend Micro Apex One (ex-OfficeScan)CVE-2019-18187

    Trend Micro OfficeScan Directory Traversal Vulnerability

    CVE from 2019, added in 2021

    CVSS severity 7.5high

    Added Nov 3, 2021

Show 2 more vulnerabilities
  1. Rank 11

    Trend Micro Apex One (ex-OfficeScan)CVE-2023-41179

    Trend Micro Apex One and Worry-Free Business Security Remote Code Execution Vulnerability

    CVSS severity 7.2high

    Added Sep 21, 2023

  2. Rank 12

    Trend Micro Apex One (ex-OfficeScan)CVE-2022-40139

    Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability

    CVSS severity 7.2high

    Added Sep 15, 2022

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Indicative classification, based on the vendor and product names given by CISA. How products are classified.