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CVE-2026-45657criticalCWE-122CWE-416

Windows Kernel Remote Code Execution Vulnerability

33Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 15%
exploitation probability
15%top 3% of all CVEs
observed exploitation
nono source reports it
Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C