CVE-2026-21120
Received Received - Intake

Use After Free in WSM Service Prior to SMR Oct-2026 Release 1

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: Samsung Mobile

Description
Use after free in WSM service prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code with system privilege.

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-21120
EUVD
EUVD-2026-97184

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung wsm to 2026-10-01 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a use after free issue in the WSM service prior to the Samsung October 2026 Release 1. It allows local attackers to potentially execute arbitrary code with system privileges by exploiting a memory management flaw.

Impact Analysis

If exploited, this vulnerability could allow an attacker with local access to run malicious code on your device with system-level permissions. This could lead to unauthorized data access, system control, or further compromise of the device.

Mitigation Strategies

Apply the SMR Oct-2026 Release 1 or later update from Samsung to patch the WSM service use-after-free vulnerability.

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