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VulnerabilityPublished

CVE-2025-49212: Trend Micro Endpoint Encryption Policy Server · Use of Obsolete Function

Affects Trend Micro Endpoint Encryption Policy ServerSource CVE Database V5

0

Mentioned vulnerabilities

Not known to be exploited · 13% EPSS · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
13.2% chance of exploitation in 30 days – higher than 96% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Trend Micro, Inc. Trend Micro Endpoint Encryption Policy ServerAffected
  • =6.0
Fixed in–

AI-suggested

  1. Immediate deployment of vendor patches or updates once available is paramount. Since no patches are currently listed, organizations should engage with Trend Micro support for interim mitigations or hotfixes.
  2. Implement network-level protections by restricting access to the Endpoint Encryption Policy Server to trusted management networks only, using firewalls and network segmentation to limit exposure.
  3. Employ intrusion detection and prevention systems (IDS/IPS) with signatures or heuristics to detect anomalous deserialization attempts or suspicious network traffic targeting the server.
  4. Conduct thorough logging and monitoring of all interactions with the Policy Server, focusing on unusual serialized data payloads or unexpected remote requests.
  5. Review and harden server configurations to disable or limit deserialization functionality where possible, or apply application-layer controls to validate serialized inputs.
  6. Prepare incident response plans specifically addressing potential exploitation scenarios involving encryption key compromise or policy manipulation.
  7. Educate security teams about the nature of insecure deserialization attacks to improve detection and response capabilities.
  8. Consider deploying application-layer firewalls or runtime application self-protection (RASP) technologies that can intercept and block malicious deserialization attempts in real time.

Description

An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49220 but is in a different method.

References

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