CVE-2026-21003

Improper input validation in data related to network restrictions prior to SMR Apr-2026 Release 1 allows physical attackers to bypass the restrictions.

CVSS 4.0

5.2CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-26)

Published

2026-04-13

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• samsung:android

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=04

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