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Watering Hole Attack Targets EmEditor Users with Information-Stealing Malware

January 22, 2026 · Trend Micro · Severity: HIGH

TrendAI™ Research provides a technical analysis of a compromised EmEditor installer used to deliver multistage malware that performs a range of malicious actions.

Key Takeaways

  • TrendAI Research analyzed a compromised EmEditor installer used to deliver multistage malware.
  • The watering hole attack performs a range of malicious actions including information stealing.
  • The compromised installer delivers multistage malware to EmEditor users.
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