Is CVE-2022-26871 in the CISA KEV catalog?

Yes. CVE-2022-26871 is on the CISA Known Exploited Vulnerabilities list, added 2022-03-31.

What is the CVSS severity of CVE-2022-26871?

CVE-2022-26871 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-26871?

CVE-2022-26871 has an EPSS score of 19.63% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-26871?

No published fix for CVE-2022-26871 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2022-04-21. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2022-26871

CRITICALCISA KEVEPSS 97th pctl

9.8

CVSS v3

NVD

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.

CWE-345

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply updates per vendor instructions.

Federal remediation due: 2022-04-21

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

19.63%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Trend Micro Apex Central Arbitrary File Upload Vulnerability

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

Apply updates per vendor instructions.

Remediation due: 2022-04-21

References

Patch2

Vendor Advisory1

appweb.trendmicro.com

Third-Party Advisory2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-345 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-38831	High	7.8	98%	KEV + Ransom	Fix
CVE-2016-4553	High	8.6	80%	-	Fix
CVE-2016-4554	High	8.6	39%	-	Fix
CVE-2023-35719	Medium	6.8	26%	-	-
CVE-2014-4936	High	9.3	17%	-	-
CVE-2024-5458	Medium	5.3	12%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-22.