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CVE-2023-21674

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

Basic Information

CVE State
PUBLISHED
Reserved Date
December 13, 2022
Published Date
January 10, 2023
Last Updated
January 01, 2025
Vendor
Microsoft
Product
Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 10 Version 20H2, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows 8.1, Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Description
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

CVSS Scores

CVSS v3.1

8.8 - HIGH

Vector: 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

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (added 2023-01-10 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2024-03-07 05:43:48 UTC) Source

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674

Known Exploited Vulnerability Information

Source Added Date
CISA 2023-01-10 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

hd3s5aa/CVE-2023-21674

Type: github • Created: 2024-03-07 05:43:48 UTC • Stars: 34