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CVE-2026-21059: CWE-926 Improper export of android application components in Samsung Mobile Samsung Mobile Devices

0
Medium
VulnerabilityCVE-2026-21059cvecve-2026-21059cwe-926
Published: 08/10/2026 (08/10/2026, 07:39:44 UTC)
Source: CVE Database V5
Vendor/Project: Samsung Mobile
Product: Samsung Mobile Devices

Description

CVE-2026-21059 is a medium severity vulnerability affecting Samsung Contacts on Samsung Mobile Devices prior to the SMR Aug-2026 Release 1. It involves improper export of Android application components, which allows local attackers to delete files with the privileges of the Samsung Contacts app.

CVSS v4.0

Score 6.9medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
High
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Affected software

Samsung Mobile

Samsung Mobile Devices

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/17/2026, 15:42:38 UTC

Technical Analysis

This vulnerability (CWE-926) arises from improper export of Android application components in Samsung Contacts before the SMR Aug-2026 Release 1. It enables local attackers to leverage the app's privileges to delete files, potentially impacting data integrity or availability within the device's contacts application environment. The CVSS 4.0 base score is 6.9, reflecting a medium severity with local attack vector and no user interaction required.

Potential Impact

Local attackers can delete files with the privileges of the Samsung Contacts application, which may lead to loss or corruption of contact data or related files. There is no indication of remote exploitation or privilege escalation beyond the app's existing privileges.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
SamsungMobile
Date Reserved
2025-12-11T01:33:35.821Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a7980bbbf8831d5394649d1

Added to database: 08/10/2026, 07:41:47 UTC

Last enriched: 08/17/2026, 15:42:38 UTC

Last updated: 09/24/2026, 13:47:43 UTC

Views: 54

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