CVE-2026-21109 PUBLISHED

Assigner: SamsungMobile
Reserved: 11.12.2025 Published: 09.09.2026 Updated: 09.09.2026

Improper access control in Watch Plugin prior to Android Watch 17 allows local attackers to access sensitive information.

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2.1

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	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Samsung Mobile
Product	Watch Plugin
Versions	Default: affected unaffected from Android Watch 17 to * (excl.)