Windows Themes Remote Code Execution Vulnerability
Priority HIGH 65CWE-367Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Windows Themes Remote Code Execution Vulnerability
Why it matters now
EPSS 0.37381 98th percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.2416 | 10.0.22000.2416 | Patch available | CNA |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.2283 | 10.0.22621.2283 | Patch available | CNA |
Remediation
Microsoft 2 updates
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.2283
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.2283
- Security Update
- Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2416
- Windows 11 version 21H2 for x64-based Systems 10.0.22000.2416
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2023-38146
- 2026-10-03 Alias added: GHSA-qmqc-m76c-pmrm
References
More Microsoft Windows 11 21h2 vulnerabilities
- TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2023-18080 Windows SmartScreen Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2023-15353 Windows SmartScreen Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2023-08061 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2023-38146 · CVE Program
- CVE-2023-38146 · NVD
- FIRST EPSS
- GHSA-qmqc-m76c-pmrm · GitHub Advisory Database · CC BY 4.0
- CVE-2023-38146 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences