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.

CVSS 4.0

5.2CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.09% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-25)

CWE

CWE-863

Published

2026-06-05

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• samsung:android

References

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

Check your stackJSON