Medium severity · published Mar 16, 2026
CVE-2026-21002
Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GS
Galaxy Store · Samsung
before 4.6.03.8 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21002
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21002
Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03
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Path traversal in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege
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Improper access control in Galaxy Store prior to version 4.6.03.8 allows local attacker to create file with Galaxy Store privilege