Is CVE-2023-35856 actively exploited?

No active exploitation of CVE-2023-35856 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-35856 be exploited remotely?

Yes. CVE-2023-35856 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-35856?

CVE-2023-35856 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-35856

CWE-120Published: June 19, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A buffer overflow in Nintendo Mario Kart Wii RMCP01, RMCE01, RMCJ01, and RMCK01 can be exploited by a game client to execute arbitrary code on a client's machine via a crafted packet.

NVD Source

Technical Analysis

CVE-2023-35856 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.