CVE-2026-21030 | BDVDB-2026-338232 Detail

SamsungSamsung Mobile Devices

Description#

Improper access control in MediaTek Audio HAL prior to SMR Jun-2026 Release 1 allows local attackers to trigger privileged functions.

Per CVSS v4.0: confidentiality impact none, integrity impact low, availability impact low. Attack vector: local.

No public exploit known

6.4 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.6.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Improper Access Control

No specific action is recorded in the source data. Check the references for vendor guidance.

6.4 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	Low
Vulnerable System Availability	Low
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

Not available

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).