Vulnerability Description
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
CVSS Score
8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1507 | < 10.0.10240.19685 |
| Microsoft | Windows 10 1607 | < 10.0.14393.5648 |
| Microsoft | Windows 10 1809 | < 10.0.17763.3887 |
| Microsoft | Windows 10 20H2 | < 10.0.19042.2486 |
| Microsoft | Windows 10 21H2 | < 10.0.19044.2486 |
| Microsoft | Windows 10 22H2 | < 10.0.19045.2486 |
| Microsoft | Windows 11 21H2 | < 10.0.22000.1455 |
| Microsoft | Windows 11 22H2 | < 10.0.22621.1105 |
| Microsoft | Windows Rt 8.1 | - |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.5648 |
| Microsoft | Windows Server 2019 | < 10.0.17763.3887 |
| Microsoft | Windows Server 2022 | < 10.0.20348.1487 |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-US Government Resource
FAQ
What is CVE-2023-21674?
CVE-2023-21674 is a vulnerability with a CVSS score of 8.8 (HIGH). Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
How severe is CVE-2023-21674?
CVE-2023-21674 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-21674?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 20H2, Microsoft Windows 10 21H2.