CVE-2026-21098 PUBLISHED

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

Improper access control in Link to Windows prior to SMR Sep-2026 Release 1 allows local attackers to establish a connection with the PC without proper user interaction.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 6.9

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

CVSS 4.0

Product Status

Vendor	Samsung Mobile
Product	Samsung Mobile Devices
Versions	Default: affected unaffected from SMR Sep-2026 Release in Android 14, 15, 16, 17 to * (excl.)

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09

Problem Types

CWE-284: Improper Access Control