CVE-2026-21003

CVSS 5.2 MEDIUMEPSS 0.2%

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.2EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

13 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Samsung Mobile · Samsung Mobile Devices

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References

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