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CRITICAL

CVE-2023-35856

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2023-06-19

Frequently asked questions

What is CVE-2023-35856?

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.

Is CVE-2023-35856 actively exploited?

Active exploitation of CVE-2023-35856 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

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

CVE-2023-35856 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-35856 affecting your environment?

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