CVE-2026-76137 PUBLISHED

Assigner: jpcert
Reserved: 20.08.2026 Published: 21.08.2026 Updated: 21.08.2026

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.

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 3.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Yamaha Corporation
Product	VOCALOID6
Versions	Default: unaffected affected from 0 to 6.13.1 (incl.)

CVE-2026-76137 PUBLISHED

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