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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2025-49154
• https://success.trendmicro.com/en-US/solution/KA-0019917
• https://success.trendmicro.com/en-US/solution/KA-0019936