CVE-2025-49154: apex one Access Control Flaw — Fix

Description

An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security could allow a local attacker to overwrite key memory-mapped files which could then have severe consequences for the security and stability of affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

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CVSS v3.1 Score

8.7

HIGH

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

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
trendmicro	worry-free_business_security	All
trendmicro	worry-free_business_security	All
trendmicro	worry-free_business_security_services	6.7.0.0 — 6.7.3954
trendmicro	worry-free_business_security_services	14.0.0 — 14.3.1299
microsoft	windows	All
trendmicro	apex_one	< 14.0.14492
trendmicro	apex_one	14.0.0.12994 — 14.0.0.14002
microsoft	windows	All

References

Advisories & Patches

https://success.trendmicro.com/en-US/solution/KA-0019917 https://success.trendmicro.com/en-US/solution/KA-0019936

Frequently Asked Questions

What is CVE-2025-49154? +

An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security could allow a local attacker to overwrite key memory-mapped files which could then have severe consequences for the security and stability of affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. It has a CVSS v3.1 base score of 8.7 (HIGH).

How severe is CVE-2025-49154? +

CVE-2025-49154 has a CVSS v3.1 score of 8.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-49154? +

CVE-2025-49154 affects products from microsoft, trendmicro, specifically: apex_one, windows, worry-free_business_security, worry-free_business_security_services. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-49154? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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