What is CVE-2026-21061?

CVE-2026-21061 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-08-10.

How severe is CVE-2026-21061?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Samsung Android

CVE-2026-21061

Improper input validation in Samsung Dialer prior to SMR Aug-2026 Release 1 allows remote attackers to access SIM related functions. User interaction is required for triggering this vulnerability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-08-10 · last modified 2026-08-19.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.9th percentile), scored 2026-09-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Samsung Android — versions 14.0, 15.0, 16.0
Samsung Mobile Devices — versions SMR Aug-2026 Release in Android 14, 15, 16

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-21061?: CVE-2026-21061 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-08-10.
How severe is CVE-2026-21061?: Medium severity. CVSS v3 base score is 6.5 out of 10.