CVE-2026-56188

CriticalCVSS 9.8

Published: 14/07/2026(UTC)Updated: 22/07/2026(UTC)Translated: 23/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Elevated risk

1.00%

59th percentile - higher than 59% of all known CVEs

Summary

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.

Risk Assessment

An attacker can take control of the server without authentication, leading to full system compromise.

Recommendation

Install the security patch from Microsoft for Windows Server.

Original NVD description (English source)

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.