What is CVE-2026-20990?

CVE-2026-20990 is a high-severity vulnerability in Samsung Android, classified under CWE-926: IMPROPER EXPORT OF ANDROID APPLICATION COMPONENTS. CVSS score: 8.1/10. Published 2026-03-16.

How severe is CVE-2026-20990?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Samsung Android

CVE-2026-20990

Improper export of android application components in Secure Folder prior to SMR Mar-2026 Release 1 allows local attackers to launch arbitrary activity with Secure Folder privilege.

Published 2026-03-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

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

References

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

Frequently asked questions

What is CVE-2026-20990?: CVE-2026-20990 is a high-severity vulnerability in Samsung Android, classified under CWE-926: IMPROPER EXPORT OF ANDROID APPLICATION COMPONENTS. CVSS score: 8.1/10. Published 2026-03-16.
How severe is CVE-2026-20990?: High severity. CVSS v3 base score is 8.1 out of 10.