CVE-2026-82079 Nintendo Switch - Buffer Overflow

Nintendo Switch < 23.0.0 contains a buffer overflow caused by improper handling in local wireless networking, letting attackers within wireless range execute arbitrary code via crafted network traffic.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to version 23.0.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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