VULNERABILITY INTELLIGENCE
CVE-2023-21674
CVSS score8.8 HIGH
EPSS probability34.21%
CISA KEVKnown exploited vulnerability
Published2023-01-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Known Exploited Vulnerability
Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability
Vendor / product: Microsoft / Windows
Description
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Weakness classification
- secure@microsoft.com: CWE-416
- nvd@nist.gov: CWE-416
Primary references
- secure@microsoft.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource