CVE-2022-26871

Name: CVE-2022-26871
Creator: NVD / NIST
Published: 2022-03-29T21:15:07.76+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 19.63%

Last modified Jun 17, 2026

CVE-2022-26871 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 19.63% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

19.63%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 21, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Trendmicro	Apex Central	2019
Trendmicro	Apex One	All versions

References

https://appweb.trendmicro.com/supportNews/NewsDetail.aspx?id=4435Vendor Advisory
https://jvn.jp/vu/JVNVU99107357Third Party Advisory, VDB Entry
https://success.trendmicro.com/jp/solution/000290660Mitigation, Patch, Vendor Advisory
https://success.trendmicro.com/solution/000290678Mitigation, Patch, Vendor Advisory
https://www.jpcert.or.jp/english/at/2022/at220008.htmlThird Party Advisory, VDB Entry
https://appweb.trendmicro.com/supportNews/NewsDetail.aspx?id=4435Vendor Advisory
https://jvn.jp/vu/JVNVU99107357Third Party Advisory, VDB Entry
https://success.trendmicro.com/jp/solution/000290660Mitigation, Patch, Vendor Advisory
https://success.trendmicro.com/solution/000290678Mitigation, Patch, Vendor Advisory
https://www.jpcert.or.jp/english/at/2022/at220008.htmlThird Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26871US Government Resource

Timeline

Published: Mar 29, 2022
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-26871?

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.

How severe is CVE-2022-26871?

CVE-2022-26871 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 19.63% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2022-26871?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26871?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST