CVE-2025-49212: Trend Micro Endpoint Encryption Policy Server · Use of Obsolete Function
Affects Trend Micro Endpoint Encryption Policy ServerSource CVE Database V5
Mentioned vulnerabilities
Not known to be exploited · 13% EPSS · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Trend Micro, Inc. Trend Micro Endpoint Encryption Policy Server | Affected
| Fixed in– |
AI-suggested
- 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.
- 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.
- Employ intrusion detection and prevention systems (IDS/IPS) with signatures or heuristics to detect anomalous deserialization attempts or suspicious network traffic targeting the server.
- Conduct thorough logging and monitoring of all interactions with the Policy Server, focusing on unusual serialized data payloads or unexpected remote requests.
- Review and harden server configurations to disable or limit deserialization functionality where possible, or apply application-layer controls to validate serialized inputs.
- Prepare incident response plans specifically addressing potential exploitation scenarios involving encryption key compromise or policy manipulation.
- Educate security teams about the nature of insecure deserialization attacks to improve detection and response capabilities.
- 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.