CVE-2026-45206: Trend Micro Apex One and Vision One SEP privilege escalation in agent

CVE-2026-45206 · Severity: high · CVSS 7.8 · Published 2026-05-21

Trend Micro Apex One and Vision One endpoint agents are security software used to protect corporate workstations and servers from malware. A vulnerability in these agents could allow a user who already has limited access to a computer to gain full administrative control. This could be used by an attacker to disable security protections or gain deeper access to the corporate network.

Technologies: Trend Micro Apex One Agent, Trend Micro Apex One as a Service Agent, Trend Micro Vision One Endpoint Security - Standard Endpoint Protection (SEP) Agent. Vendors: Trend Micro.

Quick answers

Is CVE-2026-45206 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-45206 being exploited in the wild.
How severe is CVE-2026-45206?
High severity, with a CVSS score of 7.8, published 21 May 2026.
Which products and versions are affected?
Trend Micro Apex One as a Service Agent Builds below 14.0.20731; Trend Micro Vision One Endpoint Security - Standard Endpoint Protection (SEP) Agent Builds below 14.0.20731.
Is there a fix for CVE-2026-45206?
A patch was published on 2026-05-21. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-45206 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-45206?
Check whether you run Trend Micro Apex One Agent, Trend Micro Apex One as a Service Agent or Trend Micro Vision One Endpoint Security - Standard Endpoint Protection (SEP) Agent at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An origin validation error (CWE-346) exists within the process protection communication mechanism of the Trend Micro Apex One and Vision One SEP agents. The vulnerability stems from insufficient verification of the source of inter-process communications. A local attacker with low-privileged code execution capabilities can exploit this flaw to bypass security checks and escalate their privileges to a higher level, such as SYSTEM. Patches have been released for both on-premise and SaaS versions of the affected products.

Affected products

  • Trend Micro Apex One (on-prem) Agent Builds below 17079
  • Trend Micro Apex One as a Service Agent Builds below 14.0.20731
  • Trend Micro Vision One Endpoint Security - Standard Endpoint Protection (SEP) Agent Builds below 14.0.20731

Timeline

  • 2026-05-21: disclosed
  • 2026-05-21: advisory
  • 2026-05-21: patched

References

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