CVE-2023-38146

Name: CVE-2023-38146
Creator: NVD / NIST
Published: 2023-09-12T17:15:17.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 39.49%

Last modified Jun 17, 2026

CVE-2023-38146 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Windows Themes Remote Code Execution Vulnerability. EPSS estimates a 39.49% chance of exploitation in the next 30 days.

Description

Windows Themes Remote Code Execution Vulnerability

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

39.49%

98.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 21h2	< 10.0.22000.2416
Microsoft	Windows 11 22h2	< 10.0.22621.2275

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38146Patch, Vendor Advisory
http://packetstormsecurity.com/files/176391/Themebleed-Windows-11-Themes-Arbitrary-Code-Execution.html
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38146Patch, Vendor Advisory

Timeline

Published: Sep 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38146?

Windows Themes Remote Code Execution Vulnerability

How severe is CVE-2023-38146?

CVE-2023-38146 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 39.49% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38146?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38146?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST