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Vivo Kids Mode CVE-2026-15366

| EUVDEUVD-2026-66296 LOW
Improper Isolation or Compartmentalization (CWE-653)
2026-08-26 Vivo GHSA-9jjv-9v55-qm2c
2.4
CVSS 4.0 · Vendor: Vivo

Severity by source

Vendor (Vivo) PRIMARY
2.4 LOW
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/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
2.4 LOW

Physical access required; no authentication needed within Kids Mode; limited confidentiality impact from gallery exposure; no integrity or availability impact supported by description.

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

Primary rating from Vendor (Vivo).

CVSS VectorVendor: Vivo

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

Lifecycle Timeline

1
Analysis Generated
Aug 26, 2026 - 07:46 vuln.today

DescriptionCVE.org

A control logic defect in a specific built-in webpage of Kids Mode allows users to view local gallery photos directly within the page

AnalysisAI

Kids Mode on Vivo devices exposes local gallery photos through a control logic defect in a specific built-in webpage, bypassing the sandboxed environment's access restrictions. All versions of Vivo Kids Mode are affected per the wildcard CPE (cpe:2.3:a:vivo:kids_mode:*:*:*:*:*:*:*:*). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Physical access to the device is required (CVSS AV:P) - this is the primary and most significant limiting condition. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.4 accurately reflects the extremely narrow real-world risk profile: physical access (AV:P) is mandatory, which substantially limits the attacker population to individuals with direct, hands-on device access. … 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 Consult the Vivo security advisory at https://www.vivo.com/en/support/security-advisory-detail?id=24 for official patch or firmware update guidance. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-15366 vulnerability details – vuln.today

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