CVE-2026-21007
Received Received - Intake

Improper Exception Handling in Device Care Enables Knox Guard Bypass

Publication date: 2026-04-13

Last updated on: 2026-04-13

Assigner: Samsung Mobile

Description
Improper check for exceptional conditions in Device Care prior to SMR Apr-2026 Release 1 allows physical attackers to bypass Knox Guard.

CVSS Scores

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Meta Information

Published
2026-04-13
Last Modified
2026-04-13
Generated
2026-07-06
AI Q&A
2026-04-13
EPSS Evaluated
2026-07-05
NVD
CVE-2026-21007
EUVD
EUVD-2026-21858

Affected Vendors & Products

Showing 79 associated CPEs
Vendor Product Version / Range
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-754 The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

Attack-Flow Graph

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Executive Summary

This vulnerability involves an improper check for exceptional conditions in the Device Care component of Samsung devices prior to the SMR April 2026 Release 1. It allows physical attackers to bypass Knox Guard, a security feature designed to protect the device.

Impact Analysis

The vulnerability can allow a physical attacker to bypass Knox Guard, potentially compromising the security protections it provides. This could lead to unauthorized access or control over the device, increasing the risk of data exposure or device misuse.

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EPSS Chart