CVE-2026-45657

CriticalCVSS 9.8

Published: 09/06/2026(UTC)Updated: 23/07/2026(UTC)Translated: 24/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

15.48%

96th percentile - higher than 96% of all known CVEs

A use-after-free vulnerability in the Windows Kernel allows an unauthorized attacker to execute code remotely over a network.

An attacker can remotely execute code in kernel context, leading to full compromise of the Windows system.

Install the latest Windows security updates from Microsoft.

Original NVD description (English source)

Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.