CVE-2023-21674

HIGHCISA KEV

8.8

Description

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

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/10/2023

Last Modified10/30/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMicrosoft

ProductWindows

Vulnerability NameMicrosoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability

KEV Date Added2023-01-10

Remediation Due Date2023-01-31

Ransomware UseUnknown

Affected Products

microsoft:windows_10_1507microsoft:windows_10_1607microsoft:windows_10_1809microsoft:windows_10_20h2microsoft:windows_10_21h2microsoft:windows_10_22h2microsoft:windows_11_21h2microsoft:windows_11_22h2microsoft:windows_rt_8.1microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022

Weaknesses (CWE)

CWE-416CWE-416

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674(secure@microsoft.com)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21674(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.