UAFF in Samsung WSM Service: Local Exec via System Priv
CVE-2026-21120 Published on October 12, 2026
Use after free in WSM service prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code with system privilege.
Vulnerability Analysis
CVE-2026-21120 is exploitable 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.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-21120 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-21120
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Affected Versions
Samsung Mobile Devices:- Version SMR Oct-2026 Release in Android 14, 15, 16, 17 and below * is unaffected.