CVE-2026-21002
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Improper Signature Verification in Galaxy Store Enables Arbitrary App Installation

Publication date: 2026-03-16

Last updated on: 2026-04-07

Assigner: Samsung Mobile

Description
Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.
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Meta Information
Published
2026-03-16
Last Modified
2026-04-07
Generated
2026-06-16
AI Q&A
2026-03-16
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21002
EUVD
EUVD-2026-12321
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
samsung galaxy_store to 4.6.03.8 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
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Executive Summary

This vulnerability involves improper verification of cryptographic signatures in the Galaxy Store application prior to version 4.6.03.8.

Because of this flaw, a local attacker can exploit the weakness to install arbitrary applications on the device.

Impact Analysis

The vulnerability allows a local attacker to install arbitrary applications without proper authorization.

This can lead to unauthorized software running on your device, which may compromise device security, privacy, and data integrity.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, ensure that the Galaxy Store application is updated to version 4.6.03.8 or later, as versions prior to this contain the improper verification of cryptographic signatures that allows local attackers to install arbitrary applications.

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