CmcCore Improper Permission Handling Enables Local Privilege Escalation
CVE-2026-21121 Published on October 12, 2026
Improper handling of insufficient permission in CmcCore prior to SMR Oct-2026 Release 1 allows local attackers to use the privileged APIs.
Vulnerability Analysis
CVE-2026-21121 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Products Associated with CVE-2026-21121
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Affected Versions
Samsung Mobile Devices:- Version SMR Oct-2026 Release in Android XR 14 and below * is unaffected.