CVE-2023-21674
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
| Vendor | microsoft |
| Product | windows 10 version 1809 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jan 10, 2023 |
| Last Updated | Oct 21, 2025 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected 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