CVE-2021-26424

CriticalCVSS 9.9

Published: 12/08/2021(UTC)Updated: 10/08/2026(UTC)Translated: 10/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

58.90%

99th percentile - higher than 99% of all known CVEs

Remote code execution vulnerability in Windows TCP/IP stack. It could allow an attacker to execute arbitrary code in the context of the kernel.

An attacker could take control of the system without authentication, potentially leading to full system compromise.

Install the latest Windows security updates.

Original NVD description (English source)

Windows TCP/IP Remote Code Execution Vulnerability