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Samsung Contacts CVE-2026-21059

| EUVDEUVD-2026-55084 MEDIUM
Improper Export of Android Application Components (CWE-926)
2026-08-10 SamsungMobile GHSA-pgp3-v5mx-qq76
Google Information Disclosure Samsung Samsung Mobile Devices
6.9
CVSS 4.0 · Vendor: SamsungMobile
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Severity by source

Vendor (SamsungMobile) PRIMARY
6.9 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
6.2 MEDIUM

Local vector because exploitation requires an installed app; PR:N because the exported component is reachable without any permissions; only integrity impacted via file deletion.

3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (SamsungMobile).

CVSS VectorVendor: SamsungMobile

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Aug 10, 2026 - 08:01 vuln.today
CVE Published
Aug 10, 2026 - 07:39 cve.org
MEDIUM 6.9

DescriptionCVE.org

Improper export of android application components in Samsung Contacts prior to SMR Aug-2026 Release 1 allows local attackers to delete file with Samsung Contacts' privilege.

AnalysisAI

Unauthorized file deletion via improperly exported Android components in Samsung Contacts prior to SMR Aug-2026 Release 1 allows any locally-installed malicious application to invoke the exported component and delete files under Samsung Contacts' privilege without requiring any elevated permissions of its own. The vulnerability stems from an Android component export misconfiguration, granting third-party apps unintended access to privileged file operations. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires that a malicious application is already installed on the target Samsung device - either through user installation from an unofficial source, social engineering, or a prior compromise. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N) reflects a locally-exploitable flaw with high integrity impact, no confidentiality or availability impact, and no privilege requirement. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation The primary fix is to apply Samsung's SMR Aug-2026 Release 1 security update, which patches the improperly exported component in Samsung Contacts. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-21059 vulnerability details – vuln.today
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