CVE-2026-21102: CWE-416 Use after free in Samsung Mobile Samsung Mobile Devices
CVE-2026-21102 is a critical use-after-free vulnerability in the DualDAR component of Samsung Mobile Devices prior to the SMR Sep-2026 Release 1. It allows local privileged attackers to execute arbitrary code with root privileges. The vulnerability has a high CVSS 4.0 score of 9.3, indicating severe impact. No official patch or remediation guidance is currently confirmed. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-21102) is a use-after-free flaw (CWE-416) in the DualDAR component of Samsung Mobile Devices before the SMR Sep-2026 Release 1. It enables local attackers with elevated privileges to execute arbitrary code with root-level access. The CVSS 4.0 vector indicates that the attack requires local access with high privileges but no user interaction, and the vulnerability impacts confidentiality, integrity, availability, and security controls at a high level. The vulnerability was reserved in December 2025 and published in September 2026. No patch or official remediation level has been provided by the vendor yet.
Potential Impact
Successful exploitation allows local privileged attackers to execute arbitrary code with root privileges, potentially leading to full system compromise on affected Samsung Mobile Devices. This can result in complete loss of confidentiality, integrity, and availability of the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local privileged access to trusted users only and monitor for any suspicious activity related to DualDAR components.
CVE-2026-21102: CWE-416 Use after free in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21102 is a critical use-after-free vulnerability in the DualDAR component of Samsung Mobile Devices prior to the SMR Sep-2026 Release 1. It allows local privileged attackers to execute arbitrary code with root privileges. The vulnerability has a high CVSS 4.0 score of 9.3, indicating severe impact. No official patch or remediation guidance is currently confirmed. There are no known exploits in the wild at this time.
CVSS v4.0
Score 9.3critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-21102) is a use-after-free flaw (CWE-416) in the DualDAR component of Samsung Mobile Devices before the SMR Sep-2026 Release 1. It enables local attackers with elevated privileges to execute arbitrary code with root-level access. The CVSS 4.0 vector indicates that the attack requires local access with high privileges but no user interaction, and the vulnerability impacts confidentiality, integrity, availability, and security controls at a high level. The vulnerability was reserved in December 2025 and published in September 2026. No patch or official remediation level has been provided by the vendor yet.
Potential Impact
Successful exploitation allows local privileged attackers to execute arbitrary code with root privileges, potentially leading to full system compromise on affected Samsung Mobile Devices. This can result in complete loss of confidentiality, integrity, and availability of the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local privileged access to trusted users only and monitor for any suspicious activity related to DualDAR components.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.829Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa13d67acd9273b493465ae
Added to database: 09/09/2026, 11:05:11 UTC
Last enriched: 09/09/2026, 11:07:35 UTC
Last updated: 09/09/2026, 13:14:18 UTC
Views: 26
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