CVE-2026-21031

HIGH

Samsung Mobile Devices - Improper Authorization in AppBlock

Title source: llm

Description

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.

References (1)

Core 1

Core References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=06

Scores

CVSS v3 7.8

EPSS 0.0009

EPSS Percentile 0.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (3)

samsung/android 15.0 (18 CPE variants)

samsung/android 16.0 (11 CPE variants)

Samsung Mobile/Samsung Mobile Devices SMR Jun-2026 Release in Android 15, 16

Published Jun 05, 2026

Tracked Since Jun 05, 2026