CVE-2020-24557
Trend Micro Multiple Products Improper Access Control Vulnerability
What is affected
| Vendor | Trend Micro |
|---|---|
| Product | Apex One, OfficeScan, and Worry-Free Business Security |
The vulnerability
Trend Micro Apex One, OfficeScan, and Worry-Free Business Security on Microsoft Windows contain an improper access control vulnerability that may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function, and attain privilege escalation.
Required action
Apply updates per vendor instructions.
US federal civilian agencies were required to act by 3 May 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 12 Nov 2026, 12:25. Nothing here is our own assessment. For the technical scoring, see the NVD record below.
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