Improper Input Validation in Galaxy Themes from Samsung
CVE-2026-21073

5.2MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
10 August 2026

What is CVE-2026-21073?

A vulnerability exists in Galaxy Themes prior to SMR Aug-2026 Release 1, where improper input validation can be exploited by physical attackers, enabling them to execute arbitrary activities on the affected system. This might lead to unauthorized access or manipulation of user data, posing significant security risks. Users are urged to update to the latest version to mitigate potential threats.

Affected Version(s)

Samsung Mobile Devices SMR Aug-2026 Release in Android 14, 15, 16

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V4

Score:
5.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
Low
Availability:
Low
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.