What is CVE-2026-7763?

CVE-2026-7763 is a critical-severity vulnerability in Morse Micro Halowlink 2, classified under CWE-122 HEAP-BASED BUFFER OVERFLOW. CVSS score: 9.8/10. Published 2026-06-05.

How severe is CVE-2026-7763?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Morse Micro Halowlink 2

CVE-2026-7763

A heap-based buffer overflow vulnerability in the morse.ko HaLow Wi-Fi kernel driver in Morse Micro HaLowLink 2 software versions prior to 2.11.13 allows an unauthenticated attacker within radio range to cause a Denial of Service (kernel p…

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Morse Micro Halowlink 2 — versions 0

References

4ac701fe-44e9-4bcd-9585-dd6449257611

Frequently asked questions

What is CVE-2026-7763?: CVE-2026-7763 is a critical-severity vulnerability in Morse Micro Halowlink 2, classified under CWE-122 HEAP-BASED BUFFER OVERFLOW. CVSS score: 9.8/10. Published 2026-06-05.
How severe is CVE-2026-7763?: Critical severity. CVSS v3 base score is 9.8 out of 10.