What is CVE-2023-0400?

CVE-2023-0400 is a medium-severity vulnerability in Microsoft Windows, classified under Always-Incorrect Control Flow Implementation. CVSS score: 5.9/10. Published 2023-02-02.

How severe is CVE-2023-0400?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2023-0400 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows

CVE-2023-0400

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.

EPSS: 0.004 (34.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N.

Affected products

Microsoft Windows
Trellix Data_loss_prevention
Trellix Data Loss Prevention (Dlp) — versions 11.9.100

Weakness classification (CWE)

Public proof-of-concept exploits

References

trellixpsirt@trellix.com (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-0400?: CVE-2023-0400 is a medium-severity vulnerability in Microsoft Windows, classified under Always-Incorrect Control Flow Implementation. CVSS score: 5.9/10. Published 2023-02-02.
How severe is CVE-2023-0400?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2023-0400 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.