Vulnerability · Published Apr 13, 2026 · Assigned by SamsungMobile

CVE-2026-21003

Medium 5.2

In plain English

A medium-severity security flaw in Samsung Mobile Devices from Samsung Mobile. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 4.0)5.2Medium
Exploit odds (30 days)0.2%top 94.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

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

Affected products (as reported)

VendorProductVersions
Samsung Mobile Samsung Mobile Devices see references

References