CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 10, 2023
Updated: May 29, 2024
CWE ID 476


CVE-2023-38171 is a Microsoft QUIC Denial of Service Vulnerability that affects multiple products, including Microsoft QUIC and various others. The vulnerability has a base severity of HIGH with a base score of 7.5. It can be exploited over a network without requiring any privileges or user interaction. The vulnerability is related to a NULL Pointer Dereference, classified under CWE-476. The potential danger it poses to organizations is significant, as it can lead to denial of service attacks, impacting the availability of affected systems. To remediate the vulnerability, organizations should apply the necessary security updates and patches provided by Microsoft.

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