CVE-2026-20983

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"value": "Exportaci\u00f3n indebida de componentes de aplicaci\u00f3n Android en Samsung Dialer anterior a la SMR de febrero de 2026, lanzamiento 1, permite a atacantes locales lanzar actividad arbitraria con privilegio de Samsung Dialer."}], "id": "CVE-2026-20983", "lastModified": "2026-06-17T10:18:09.837", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "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": 8.4, "baseSeverity": "HIGH", "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:H/VI:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "mobile.security@samsung.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20983", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-05T04:55:16.752940Z", "version": "2.0.3"}}]}, "published": "2026-02-04T07:16:00.387", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=02"}], "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": "2026-04-18T14:05:46.384664+00:00", "value": {"mitigation_remediation": ["Apply the latest Samsung OS update that includes SMR\u202fFeb\u20112026\u202fRelease\u202f1 or later for Android\u202f14 or Android\u202f15.", "Disable or uninstall the Samsung Dialer application if no patch is available.", "Restrict exposure of Dialer components by reviewing and removing unintended exported entries in the application manifest.", "Monitor for suspicious activity that may indicate exploitation of exported components."], "summary": {"action": "Patch Now", "impact": "Local Privilege Escalation"}, "threat_synthesis": {"affected_systems": "Affected devices include Samsung Mobile Devices running Android\u202f14.0 or Android\u202f15.0 across all SMR releases listed in the CPE data (for example, smr\u2011jan\u20112026\u2011r1 through smr\u2011sep\u20112025\u2011r1). All SMRs released prior to SMR Feb\u20112026 Release\u202f1 are vulnerable; versions updated to or beyond that release are not.", "description_and_impact": "An improper export of Android application components in Samsung Dialer before SMR Feb\u20112026 Release\u202f1 permits a local attacker on a Samsung Mobile Device to launch arbitrary activities with Dialer privileges. This behavior effectively grants local privilege escalation, allowing compromised applications to execute privileged code that could lead to unauthorized actions or data access within the Dialer process.", "risk_and_exploitability": "The CVSS score of 8.4 indicates high severity, while the EPSS score of less than\u202f1\u202f% shows a very low historical exploitation probability. The vulnerability is not listed in the CISA KEV catalog. Attackers must be present locally on the device and exploit the exported components to trigger the privilege escalation; no remote access is required or known. Despite the low exploitation likelihood, the high impact warrants immediate patching."}}}}, "created": "2026-02-04T21:18:16.455438+00:00", "title": "Improper export of Android application components in Samsung Dialer allows local privilege escalation", "updated": "2026-04-18T14:15:04.126894+00:00", "vendors": ["samsung", "samsung$PRODUCT$mobile_devices"]}