Heap Buffer Overflow in Samsung KnoxVault Trustlet (CVE-2026-21104)
CVE-2026-21104 Published on September 9, 2026
Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
Vulnerability Analysis
CVE-2026-21104 is exploitable with local system access, and requires user privileges. This vulnerability is consided to have a high level of 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:
HIGH
Privileges Required:
HIGH
User Interaction:
NONE
Products Associated with CVE-2026-21104
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Affected Versions
Samsung Mobile Devices:- Version SMR Sep-2026 Release in hwvault ta and below * is unaffected.