CVE-2026-40405
HighSummary
A null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
Risk Assessment
An attacker can exploit this vulnerability to perform a DoS attack, resulting in the unavailability of network services for users.
Recommendation
It is recommended to update the operating system to the latest version to mitigate this vulnerability and to monitor network traffic for potential attacks.
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Original NVD description (English source)
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.