CVE-2026-21006 | BDVDB-2026-326591 Detail

SamsungSamsung Mobile Devices

Description#

Improper access control in Samsung DeX prior to SMR Apr-2026 Release 1 allows physical attackers to access to hidden notification contents.

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

No public exploit known

4.7 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 2.7.

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.

4.7 Medium

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

Metric breakdown
Attack Vector	Physical
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	None
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).