CVE-2026-21058: CWE-20 Improper input validation in Samsung Mobile Samsung Mobile Devices
Improper input validation in Samsung Contacts prior to SMR Aug-2026 Release 1 allows local attackers to delete file with Samsung Contacts' privilege.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-20 (Improper Input Validation), affects Samsung Contacts on Samsung Mobile Devices before the SMR Aug-2026 Release 1. It allows a local attacker to delete files using the privileges granted to the Samsung Contacts app. The CVSS 4.0 base score is 6.9, indicating a medium severity. The attack vector is local, requiring no user interaction, and the vulnerability does not require privileges or authentication. There is no indication of known exploits in the wild or vendor-provided patch information at this time.
Potential Impact
A local attacker can delete files with the permissions of the Samsung Contacts application, potentially leading to data loss or disruption of contact-related functionality on the affected device. The impact is limited to local access and does not escalate privileges beyond the app's own permissions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, users and administrators should monitor Samsung's security advisories for updates and apply the SMR Aug-2026 Release 1 or later once available.
CVE-2026-21058: CWE-20 Improper input validation in Samsung Mobile Samsung Mobile Devices
Description
Improper input validation in Samsung Contacts prior to SMR Aug-2026 Release 1 allows local attackers to delete file with Samsung Contacts' privilege.
CVSS v4.0
Score 6.9medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-20 (Improper Input Validation), affects Samsung Contacts on Samsung Mobile Devices before the SMR Aug-2026 Release 1. It allows a local attacker to delete files using the privileges granted to the Samsung Contacts app. The CVSS 4.0 base score is 6.9, indicating a medium severity. The attack vector is local, requiring no user interaction, and the vulnerability does not require privileges or authentication. There is no indication of known exploits in the wild or vendor-provided patch information at this time.
Potential Impact
A local attacker can delete files with the permissions of the Samsung Contacts application, potentially leading to data loss or disruption of contact-related functionality on the affected device. The impact is limited to local access and does not escalate privileges beyond the app's own permissions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch information is provided, users and administrators should monitor Samsung's security advisories for updates and apply the SMR Aug-2026 Release 1 or later once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.821Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7980bbbf8831d5394649ce
Added to database: 08/10/2026, 07:41:47 UTC
Last enriched: 08/10/2026, 08:00:27 UTC
Last updated: 08/11/2026, 03:40:59 UTC
Views: 7
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