CVE-2026-21008 PUBLISHED

Assigner: SamsungMobile
Reserved: 11.12.2025 Published: 13.04.2026 Updated: 13.04.2026

Exposure of sensitive information in S Share prior to SMR Apr-2026 Release 1 allows adjacent attacker to access sensitive information.

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.1

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

CVSS 4.0

Vendor	Samsung Mobile
Product	Samsung Mobile Devices
Versions	Default: affected unaffected from SMR Apr-2026 Release in Android 14, 15, 16 to * (excl.)