Security Vulnerabilities
An origin validation error vulnerability in the Trend Micro Apex One (mac) agent self-protection mechanism could allow a local attacker to escalate privileges on 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.
The following information is provided as informational only for CVE references, as these were addressed already via ActiveUpdate/SaaS updates in mid to late 2025 (SaaS 2507 & 2005 Yearly Release).
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-21
A vulnerability in the Trend Micro Apex One management console could allow a remote attacker to upload malicious code and execute commands on affected installations.
Please note: although this vulnerability carries a technical critical CVSS rating, this was reported via responsible disclosure via a researcher through the Zero Day Initiative. The SaaS versions of the product have already been mitigated and no customer action required.
For this particular vulnerability, an attacker must have access to the Trend Micro Apex One Management Console, so customers that have their console�s IP address exposed externally should consider mitigating factors such as source restrictions if not already applied.
CVSS Score
9.8
EPSS Score
0.006
Published
2026-05-21
A vulnerability in the Trend Micro Apex One management console could allow a remote attacker to upload malicious code and execute commands on affected installations. This vulnerability is similar in scope to CVE-2025-71210 but affects a different executable.
Please note: although this vulnerability carries a technical critical CVSS rating, this was reported via responsible disclosure via a researcher through the Zero Day Initiative. The SaaS versions of the product have already been mitigated and no customer action required.
For this particular vulnerability, an attacker must have access to the Trend Micro Apex One Management Console, so customers that have their console�s IP address exposed externally should consider mitigating factors such as source restrictions if not already applied.
CVSS Score
9.8
EPSS Score
0.006
Published
2026-05-21
A link following vulnerability in the Trend Micro Apex One scan engine could allow a local attacker to escalate privileges on 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.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-21
An origin validation error vulnerability in Trend Micro Apex One could allow a local attacker to escalate privileges on 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.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-21
Request Tracker is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the "Page" parameter in GET requests. An attacker can craft a URL that, when opened, results in arbitrary JavaScript execution in the victim’s browser.
This vulnerability affects versions from 5.0.4 up to 5.0.9 and from 6.0.0 up to 6.0.2.
CVSS Score
5.1
EPSS Score
0.0
Published
2026-05-21
The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication data. The vulnerability affects only login operations within an active visualization session.
CVSS Score
6.9
EPSS Score
0.0
Published
2026-05-21
A file descriptor can be closed while a thread is blocked in a poll(2) or select(2) call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked. In this situation, the kernel must remove the blocked thread from the per-object wait queue prior to freeing the object.
In the case of some file descriptor types, the kernel failed to unlink blocked threads from the object before freeing it. When the blocked thread is subsequently woken, it accesses memory that has already been freed resulting in a use-after-free vulnerability.
The use-after-free vulnerability may be triggered by an unprivileged local user and can be exploited to obtain superuser privileges.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-21
When a fusefs file system implements extended attributes, the kernel may send a FUSE_LISTXATTR message to the userspace daemon to retrieve the list of extended attributes for a given file. The FUSE protocol requires the daemon to return a packed list of NUL-terminated strings. The fusefs kernel module calls strlen() on this daemon-supplied buffer without first verifying that the entire list is NUL-terminated.
If a malicious daemon sends a non-NUL-terminated list, the fusefs kernel module may read beyond the end of one heap-allocated buffer and potentially write beyond the end of a second buffer. A malicious daemon could disclose up to 253 bytes of kernel heap memory, or it could inject up to 250 attacker-controlled bytes into unallocated kernel heap space.
CVSS Score
5.5
EPSS Score
0.001
Published
2026-05-21
ptrace(PT_SC_REMOTE) failed to properly validate parameters for the syscall(2) and __syscall(2) meta-system calls. As a result, a user with the ability to debug a process may trigger arbitrary code execution in the kernel, even if the target process has no special privileges.
The missing validation allows an unprivileged local user to escalate privileges, potentially gaining full control of the affected system.
CVSS Score
8.4
EPSS Score
0.0
Published
2026-05-21