CVE-2023-0400

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-02 · updated 2026-06-17
Weakness: CWE-670

Description

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 (DLP): from 11.9.0 before 11.10.0 — fixed in 11.10.0

How to fix

Upgrade to a fixed version: Trellix Data Loss Prevention (DLP) 11.10.0. Check the vendor advisory for mitigations.

References

https://kcm.trellix.com/corporate/index?page=content&id=SB10394&locale=en_US
https://kcm.trellix.com/corporate/index?page=content&id=SB10394&locale=en_US

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