IRONSMITHINTEL
CRITICALCVSS9.8
|
Actively Exploited
|CISA KEV|CVE-2022-26871|Auth: none — unauthenticated|Reboot: required|Manual only

Trend Micro Apex Central Arbitrary File Upload Vulnerability (CVE-2022-26871)

An arbitrary file upload vulnerability in Trend Micro Apex Central could allow for remote code execution.

Published Mar 29, 2022 · Updated May 29, 2026
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Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2022-04-21 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Software Vulnerability (CWE-345) (CWE-345) vulnerability in Trend Micro Apex Central. An arbitrary file upload vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to upload an arbitrary file which could lead to remote code execution. Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.

📧

Phishing link

→

🖼

Malicious file

🔓

Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

●IT Security
●Running apex central: 2019; apex one: -
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2022-03-31 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2022-04-21.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply updates per vendor instructions.

References

    1
    Vendor advisory: https://appweb.trendmicro.com/supportNews/NewsDetail.aspx?id=4435
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2022-26871
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26871
PowerShell automationComing soon

No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.

References

↗ CVE-2022-26871↗ Advisory

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