Description
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | >= 10.0.17763.0, < 10.0.17763.3887 |
| Microsoft | Windows 10 Version 1809 | >= 10.0.0, < 10.0.17763.3887 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.3887 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.3887 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.1487 |
| Microsoft | Windows 10 Version 20H2 | >= 10.0.0, < 10.0.19042.2486 |
| Microsoft | Windows 11 version 21H2 | >= 10.0.0, < 10.0.22000.1455 |
| Microsoft | Windows 10 Version 21H2 | >= 10.0.19043.0, < 10.0.19044.2486 |
| Microsoft | Windows 11 version 22H2 | >= 10.0.22621.0, < 10.0.22621.1105 |
| Microsoft | Windows 10 Version 22H2 | >= 10.0.19045.0, < 10.0.19045.2486 |
| Microsoft | Windows 10 Version 1507 | >= 10.0.10240.0, < 10.0.10240.19685 |
| Microsoft | Windows 10 Version 1607 | >= 10.0.14393.0, < 10.0.14393.5648 |
| Microsoft | Windows Server 2016 | >= 10.0.14393.0, < 10.0.14393.5648 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.14393.0, < 10.0.14393.5648 |
| Microsoft | Windows 8.1 | >= 6.3.0, < 6.3.9600.20778 |
| Microsoft | Windows Server 2012 R2 | >= 6.3.9600.0, < 6.3.9600.20778 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.9600.0, < 6.3.9600.20778 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21674US Government Resource
Timeline
- Published
- Jan 10, 2023
- Last modified
- Jun 17, 2026
- Added to CISA KEV
- Jan 10, 2023
- NVD status
- Analyzed