Privilege escalation in Trend Micro Antivirus for MAC

Published: 2021-04-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-28648
Exploitation vector Local
Public exploit N/A
Vulnerable software
Trend Micro Antivirus for Mac
Client/Desktop applications / Antivirus software/Personal firewalls


Security Advisory

This security advisory describes one low risk vulnerability.

1) Security restrictions bypass

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-28648

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation. A local user can run  a specially crafted program on the system and execute arbitrary code with elevated privileges.


Install updates from vendor's website.

Vulnerable software versions

Trend Micro Antivirus for Mac: before 2020 10.5.2088, 2021 11.0.2062

CPE External links

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.