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Unrated severityCISA KEVNVD Advisory· Published Jan 10, 2023· Updated Oct 21, 2025

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

CVE-2023-21674

Description

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Affected products

17

Microsoft/Windowsllm-fuzzy
Microsoft/Windows 10 1909cpe-rescue
Range: 10.0.10240.0
Microsoft/Windows 10 1607cpe-rescue4 versions
10.0.14393.0+ 3 more
- (no CPE)range: 10.0.14393.0
- (no CPE)range: 10.0.0
- (no CPE)range: 10.0.19043.0
- (no CPE)range: 10.0.19045.0
Microsoft/Windows 10 1809cpe-rescue
Range: 10.0.0
Microsoft/Windows 11 21h2cpe-rescue
Range: 10.0.0
Microsoft/Windows 11 23h2cpe-rescue
Range: 10.0.22621.0
Microsoft/Windows 8.1cpe-rescue
Range: 6.3.0
Microsoft/Windows Server 2012cpe-rescue
Range: 6.3.9600.0
Microsoft/Windows Server 2012 R2 (Server Core installation)v5
Range: 6.3.9600.0
Microsoft/Windows Server 2016cpe-rescue
Range: 10.0.14393.0
Microsoft/Windows Server 2016 (Server Core installation)v5
Range: 10.0.14393.0
Microsoft/Windows Server 2019cpe-rescue
Range: 10.0.17763.0
Microsoft/Windows Server 2019 (Server Core installation)v5
Range: 10.0.17763.0
Microsoft/Windows Server 2003cpe-rescue
Range: 10.0.20348.0

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674mitrevendor-advisory

News mentions

0

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