Is CVE-2026-21002 actively exploited?

CVE-2026-21002 has no public evidence of in-the-wild exploitation as of 2026-04-07.

What is the CVSS score for CVE-2026-21002?

CVE-2026-21002 has a CVSS score of 5.9 (MEDIUM severity). Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/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.

How do I patch CVE-2026-21002?

Patch guidance is available from samsung security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-21002.

Which products are affected by CVE-2026-21002?

1 product: samsung galaxy store.

CVE-2026-21002 - remediation guidance & executive summary

Description

Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.

CVSS Metrics

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/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
Attack Vector: local
Complexity: low
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-347

Metadata

Primary Vendor: SAMSUNG
Published: 3/16/2026
Last Modified: 4/7/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-21002

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary