What is CVE-2026-21037?

CVE-2026-21037 is a high-severity vulnerability in Samsung Members, classified under CWE-20: IMPROPER INPUT VALIDATION. CVSS score: 7.1/10. Published 2026-06-05.

How severe is CVE-2026-21037?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Samsung Members

CVE-2026-21037

Improper input validation in Samsung Members prior to version 5.8.01.5 allows local attackers to access arbitrary URL and launch arbitrary activity with Samsung Members privilege.

Published 2026-06-05 · last modified 2026-06-30.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.0th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Samsung Members
Samsung Mobile Members — versions 5.8.01.5

References

security.samsungmobile.com/serviceWeb.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21037?: CVE-2026-21037 is a high-severity vulnerability in Samsung Members, classified under CWE-20: IMPROPER INPUT VALIDATION. CVSS score: 7.1/10. Published 2026-06-05.
How severe is CVE-2026-21037?: High severity. CVSS v3 base score is 7.1 out of 10.