CVE-2023-0400: Trellix Data Loss Prevention

High severity, CVSS 8.2. EPSS: 0.4% chance of exploitation in the next 30 days.

The protection bypass vulnerability in DLP for Windows 11.9.x is addressed in version 11.10.0. This allowed a local user to bypass DLP controls when uploading sensitive data from a mapped drive into a web email client. Loading from a local driver was correctly prevented. Versions prior to 11.9 correctly detected and blocked the attempted upload of sensitive data.

Affected products

  • Trellix Data Loss Prevention: from 11.9.0, before 11.10.0 (fixed in 11.10.0)

Published 2023-02-02. Last modified 2026-06-17.