Improper Input Validation in Samsung Mobile Product
CVE-2026-21066

5.1MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
10 August 2026

What is CVE-2026-21066?

A vulnerability exists in Samsung Mobile products where improper input validation in the libcodec2_sec_flacdec.so component prior to the SMR August 2026 Release 1 allows local attackers to exploit this flaw, potentially leading to out-of-bounds memory write issues. This could enable unauthorized access or manipulation of sensitive data within affected systems.

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:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.