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CVE-2026-21102

CVE-2026-21102

9.3

Critical

Published:9 Sep 2026

Last updated:11 Sep 2026

Source:mobile.security@samsung.com

Analyzed

Weakness (CWE)

CWE-416Use After Free

CVSS Vector

v4.0

Attack Vector: Local
Attack Complexity: Low
Attack Requirements: None
Privileges Required: High
User Interaction: None
Confidentiality (Vulnerable): High
Integrity (Vulnerable): High
Availability (Vulnerable): High
Confidentiality (Subsequent): High
Integrity (Subsequent): High
Availability (Subsequent): High

View on MITRE Find PoC on GitHub

Description

Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code with root privilege.

References

mobile.security@samsung.com

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