CVE-2026-21120: Samsung Mobile Devices (exact versions not specified)

Affected technology

Samsung Mobile Devices · Exact affected versions not specified by the source
Samsung Mobile

Description’s affected range: prior to SMR Oct-2026 Release 1

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · No user interaction required

What an attacker can do

The source says use after free in WSM service prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code with system privilege. Vendor/CNA’s CVSS 4.0 assessment (base score 8.9/10) rates confidentiality, integrity and availability impact as high.