CVE-2026-21061 PUBLISHED

Assigner: SamsungMobile
Reserved: 11.12.2025 Published: 10.08.2026 Updated: 10.08.2026

Improper input validation in Samsung Dialer prior to SMR Aug-2026 Release 1 allows remote attackers to access SIM related functions. User interaction is required for triggering this vulnerability.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

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

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08

Problem Types

CWE-20: Improper Input Validation