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Samsung Contacts CVE-2026-21060

| EUVDEUVD-2026-55085 MEDIUM
Improper Input Validation (CWE-20)
2026-08-10 SamsungMobile GHSA-m24q-hjpq-c7v2
Information Disclosure Samsung Samsung Mobile Devices
6.7
CVSS 4.0 · Vendor: SamsungMobile
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Severity by source

Vendor (SamsungMobile) PRIMARY
6.7 MEDIUM
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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
5.3 MEDIUM

Physical access required (AV:P), no authentication at Contacts level (PR:N), scope change (S:C) reflects cross-profile data access with high confidentiality impact; no integrity or availability impact applies.

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

Primary rating from Vendor (SamsungMobile).

CVSS VectorVendor: SamsungMobile

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

Lifecycle Timeline

2
Analysis Generated
Aug 10, 2026 - 08:02 vuln.today
CVE Published
Aug 10, 2026 - 07:39 cve.org
MEDIUM 6.7

DescriptionCVE.org

Improper input validation in Samsung Contacts prior to SMR Aug-2026 Release 1 allows physical attackers to access data across multiple user profiles.

AnalysisAI

Samsung Contacts on Samsung Mobile Devices prior to SMR Aug-2026 Release 1 exposes contact data across Android user profiles to an attacker with physical device access, due to improper input validation that fails to enforce inter-profile data isolation. The CVSS 4.0 vector confirms both the physical access prerequisite (AV:P) and the scope extension to a secondary user's data (SC:H), consistent with a profile boundary bypass in a multi-user Android environment. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Vulnerability AssessmentAI

Exploitation Physical access to the Samsung device is required (confirmed by AV:P in the provided CVSS 4.0 vector) - remote or network-based exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N) yields a score of 6.7, accurately reflecting a high-confidentiality-impact flaw that nonetheless requires physical device presence - a major real-world limiter. … 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 the August 2026 Samsung Security Maintenance Release (SMR Aug-2026 Release 1), which includes the patched version of Samsung Contacts. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-21060 vulnerability details – vuln.today
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