January 10, 2023 · Applied Cybernetics Group
CVE-2023-21674 — Microsoft Windows
Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability
- Added to KEV
2023-01-10- Federal due date
2023-01-31- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 95.6th percentile (score 0.201, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-21674
CISA short description
Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.
Required action
Apply updates per vendor instructions.