CVE-2026-21031

5.2MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
5 June 2026

What is CVE-2026-21031?

Improper authorization in AppBlock prior to SMR Jun-2026 Release 1 allows local attacker to launch arbitrary activity. User interaction is required for triggering this vulnerability.

Affected Version(s)

Samsung Mobile Devices SMR Jun-2026 Release in Android 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:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.