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CVE-2023-21674Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
8.8 HIGHEPSS 34.20%⚡ Known Exploited (CISA KEV)NVD: Published
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C |
Details
- CVE ID
- CVE-2023-21674
- Status
- Published
- Assigner (CNA)
- microsoft
- Published
- Jan 10, 2023
- Last modified
- 2025-10-21 23:15 UTC
- Weaknesses
- CWE-416 · Use After Free
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows 10 Version 18091 version range
- 10.0.17763.0 before 10.0.17763.3887
MicrosoftWindows 10 Version 18091 version range
- 10.0.0 before 10.0.17763.3887
MicrosoftWindows Server 20191 version range
- 10.0.17763.0 before 10.0.17763.3887
MicrosoftWindows Server 2019 (Server Core installation)1 version range
- 10.0.17763.0 before 10.0.17763.3887
MicrosoftWindows Server 20221 version range
- 10.0.20348.0 before 10.0.20348.1487
MicrosoftWindows 10 Version 20H21 version range
- 10.0.0 before 10.0.19042.2486
MicrosoftWindows 11 version 21H21 version range
- 10.0.0 before 10.0.22000.1455
MicrosoftWindows 10 Version 21H21 version range
- 10.0.19043.0 before 10.0.19044.2486
MicrosoftWindows 11 version 22H21 version range
- 10.0.22621.0 before 10.0.22621.1105
MicrosoftWindows 10 Version 22H21 version range
- 10.0.19045.0 before 10.0.19045.2486
MicrosoftWindows 10 Version 15071 version range
- 10.0.10240.0 before 10.0.10240.19685
MicrosoftWindows 10 Version 16071 version range
- 10.0.14393.0 before 10.0.14393.5648
MicrosoftWindows Server 20161 version range
- 10.0.14393.0 before 10.0.14393.5648
MicrosoftWindows Server 2016 (Server Core installation)1 version range
- 10.0.14393.0 before 10.0.14393.5648
MicrosoftWindows 8.11 version range
- 6.3.0 before 6.3.9600.20778
MicrosoftWindows Server 2012 R21 version range
- 6.3.9600.0 before 6.3.9600.20778
MicrosoftWindows Server 2012 R2 (Server Core installation)1 version range
- 6.3.9600.0 before 6.3.9600.20778
References
Sources
- NVD (unavailable at last refresh)
- CVE.org
- CISA KEV
- FIRST EPSS