Home / Vulnerabilities / CVE-2023-21674
HIGH SEVERITY
CVE-2023-21674 Microsoft · Windows

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

Technical Severity

CVSS v3.1 Metrics

HIGH
8.8 / 10
Minimal Risk Critical
Vector Specification
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
Exploitation Likelihood

EPSS Prediction

12.43 %
Predictive Probability
Percentile Rank
93.7 th

Documented as more likely to be exploited than 93.7% of known CVEs.

Detection Date

Jan 10, 2023

Remediation Due

Jan 31, 2023

CISA Catalog Active

Threat Analysis

Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

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

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

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-21674