Windows Themes Remote Code Execution Vulnerability
CVE-2023-38146

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 21h2
Windows 11 Version 22h2
Vendor
CVE Published:
12 September 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 39%

What is CVE-2023-38146?

The Windows Themes Remote Code Execution vulnerability allows an attacker to execute arbitrary code on an affected system. By exploiting this vulnerability, an attacker could install programs, view, change, or delete data, or create new accounts with full user rights. The vulnerability arises from improper handling of theme files, making it essential for users to update their systems promptly to mitigate risks associated with potential exploitation.

Affected Version(s)

Windows 11 version 21H2 x64-based Systems 10.0.0 < 10.0.22000.2416

Windows 11 version 22H2 ARM64-based Systems 10.0.22621.0 < 10.0.22621.2283

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

themebleed
Created by gabe-k

CVE-2023-38146
Created by Jnnshschl

ThemeBleedPy
Created by Durge5

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

EPSS Score

39% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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