7.0
HIGH CVSS 4.0
CVE-2026-21000
Galaxy Store Privilege Escalation Vulnerability
Description

Improper access control in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege.

INFO

Published Date :

March 16, 2026, 2:18 p.m.

Last Modified :

April 7, 2026, 12:36 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-21000 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Samsung galaxy_store
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH 3af57064-a867-422c-b2ad-40307b65c458
CVSS 4.0 HIGH [email protected]
Solution
Update Galaxy Store to version 4.6.03.8 or later to fix improper access control.
  • Update Galaxy Store to version 4.6.03.8 or later.
  • Apply vendor patches when available.
  • Restrict access to sensitive files.
  • Review access control configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-21000.

URL Resource
https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-21000 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-21000 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-21000 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Apr. 07, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
    Added CWE CWE-22
    Added CPE Configuration OR *cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:* versions up to (excluding) 4.6.03.8
    Added Reference Type Samsung Mobile: https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Mar. 16, 2026

    Action Type Old Value New Value
    Added Description Improper access control in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added Reference https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.