What is CVE-2026-76137?

CVE-2026-76137 is a low-severity vulnerability in Yamaha Corporation Vocaloid6, classified under Missing Authentication for Critical Function. CVSS score: 3.3/10. Published 2026-08-21.

How severe is CVE-2026-76137?

Low severity. CVSS v3 base score is 3.3 out of 10.

Auth bypass in Yamaha Corporation Vocaloid6

CVE-2026-76137

Missing authentication for critical function vulnerability exists in VOCALOID6. Any process running under the same local user account as a running VOCALOID6 Editor instance may escalate privileges via a local named pipe.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Yamaha Corporation Vocaloid6

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

vultures@jpcert.or.jp
vultures@jpcert.or.jp

Frequently asked questions

What is CVE-2026-76137?: CVE-2026-76137 is a low-severity vulnerability in Yamaha Corporation Vocaloid6, classified under Missing Authentication for Critical Function. CVSS score: 3.3/10. Published 2026-08-21.
How severe is CVE-2026-76137?: Low severity. CVSS v3 base score is 3.3 out of 10.