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Samsung LocationManager CVE-2026-21016

| EUVDEUVD-2026-29903 MEDIUM
2026-05-13 SamsungMobile GHSA-hg29-fr75-r6p7
5.1
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
5.1 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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
4.0 MEDIUM

Local vector confirmed; no privileges needed per vendor CVSS; confidentiality impact Low reflects 'access sensitive information'; no described integrity or availability impact.

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

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Generated
Jul 23, 2026 - 18:59 vuln.today
CVE Published
May 13, 2026 - 04:56 cve.org
MEDIUM 5.1
CVE Published
May 13, 2026 - 04:56 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

Incorrect privilege assignment in LocationManager prior to SMR May-2026 Release 1 allows local attackers to access sensitive information.

AnalysisAI

Incorrect privilege assignment in the LocationManager component of Samsung Mobile Devices (Android 14, 15, and 16) enables local attackers to access sensitive information without holding the requisite Android permissions. The flaw is addressed in Samsung's SMR May-2026 Release 1 security update. No public exploit code exists, EPSS stands at the 3rd percentile, and CISA has not listed this in the KEV catalog, placing it in a low-urgency category despite the broad Samsung device footprint.

Technical ContextAI

LocationManager is a core Android system service that brokers application access to device location data and related system resources. Samsung's customized Android build incorrectly assigns privileges within this component, meaning local processes can read sensitive information - most likely fine-grained location data or related system state - without holding the normally required Android permissions (e.g., ACCESS_FINE_LOCATION or ACCESS_COARSE_LOCATION). The affected CPE (cpe:2.3:a:samsung_mobile:samsung_mobile_devices:*:*:*:*:*:*:*:*) spans all Samsung Mobile Devices running Android 14, 15, and 16 prior to the May 2026 patch. No CWE is formally assigned, but the root cause maps closest to CWE-266 (Incorrect Privilege Assignment) or CWE-732 (Incorrect Permission Assignment for Critical Resource) - a class of flaws where system components grant broader access than the security model intends.

RemediationAI

Apply Samsung's SMR May-2026 Release 1 security update, which resolves the incorrect privilege assignment in LocationManager across Android 14, 15, and 16. Full advisory details are available at https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=05. Users and enterprise MDM administrators should ensure Samsung devices are enrolled in automatic security update delivery to receive the patch without delay. As a compensating control pending patch deployment, organizations managing high-sensitivity environments can restrict location permission grants to trusted applications only via Android enterprise policy or MDM profiles; this reduces the data surface accessible through the misconfigured component but does not eliminate the underlying privilege flaw. No side effects of applying the SMR May-2026 patch have been reported.

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CVE-2026-21016 vulnerability details – vuln.today

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