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"version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "mobile.security@samsung.com", "type": "Secondary"}]}, "published": "2026-01-09T07:16:03.690", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=01"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T07:27:09.306667+00:00", "value": {"mitigation_remediation": ["Apply Samsung\u2019s security update for January\u20112026 Release\u202f1 to Android devices affected by this flaw", "If an update is not yet available, disable the UWB radio or clear the UwbTest component through device settings or an enterprise app\u2011restriction policy", "Verify that the device firmware corresponds with the latest SMR for its Android version and monitor system logs for unexpected UWB activity"], "summary": {"action": "Patch Now", "impact": "Local privilege escalation enabling Ultra Wideband (UWB) usage"}, "threat_synthesis": {"affected_systems": "Samsung Android devices running any Android version up to Android 16.0 that have not installed the Jan\u20112026 RM\u20111 security update or any subsequent UwbTest patches. The vulnerability spans all models whose firmware is listed in the extensive set of Samsung SMR release identifiers provided.", "description_and_impact": "The vulnerability stems from improper export of Android application components within UwbTest before the January\u20112026 security update. A local attacker can trigger the enabling of the Ultra Wideband radio, granting the device the ability to engage in UWB communications without authorisation. This flaw does not compromise confidentiality or integrity directly but allows additional privileged behaviour that could be leveraged for side\u2011channel or proximity\u2011based attacks.", "risk_and_exploitability": "The CVSS score of 4.8 and an EPSS below 1% suggest moderate severity and a low likelihood of exploitation in the wild. No known public exploits exist as the vulnerability is not listed on CISA\u2019s KEV. Attackers would need local or device\u2011level access to trigger the export logic. Because the flaw is limited to local privilege escalation, organisations should treat it as a patch\u2011critical issue if devices are physical or insider\u2011accessible and less urgent otherwise."}}}}, "created": "2026-01-09T13:23:48.339512+00:00", "title": "Local Attack Can Enable Ultra Wideband on Samsung Android Devices", "updated": "2026-04-18T07:30:36.034820+00:00", "vendors": ["google", "google$PRODUCT$android", "samsung", "samsung$PRODUCT$mobile", "samsung$PRODUCT$samsung_mobile"]}