Improper Input Validation Vulnerability in Galaxy Watch by Samsung
CVE-2026-21019

8.9HIGH

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
13 May 2026

What is CVE-2026-21019?

An improper input validation flaw in the FacAtFunction of Galaxy Watch models prior to the SMR May-2026 Release 1 enables a local attacker to execute arbitrary code with system privileges, potentially compromising the device and user data. This vulnerability warrants immediate attention to mitigate risks associated with unauthorized access and control.

Affected Version(s)

Samsung Mobile Devices SMR May-2026 Release in Android Watch 14, 16

References

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

CVSS V4

Score:
8.9
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.