CVE-2026-20650

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This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Bluetooth packets."}, {"lang": "es", "value": "Un problema de denegaci\u00f3n de servicio se abord\u00f3 con validaci\u00f3n mejorada. Este problema se corrigi\u00f3 en watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 y iPadOS 26.3. Un atacante en una posici\u00f3n de red privilegiada podr\u00eda realizar un ataque de denegaci\u00f3n de servicio utilizando paquetes Bluetooth manipulados."}], "id": "CVE-2026-20650", "lastModified": "2026-06-17T10:17:36.973", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20650", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-12T21:26:02.398762Z", "version": "2.0.3"}}]}, "published": "2026-02-11T23:16:07.927", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126346"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126348"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126351"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126352"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126353"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "product": "ios_and_ipados", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "product": "macos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "product": "tvos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "product": "visionos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "product": "watchos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-04-15T21:04:23.476314+00:00", "value": {"mitigation_remediation": ["Upgrade all affected Apple operating systems to version 26.3 or later to deploy the patched Bluetooth input validation.", "Disable Bluetooth on devices that are not required to use it or isolate them from networks where an attacker could send crafted packets.", "Monitor device logs for abnormal Bluetooth traffic or crashes after the update and maintain network segmentation to prevent privileged access."], "summary": {"action": "Patch Now", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Apple\u2019s iOS, iPadOS, macOS, tvOS, visionOS, and watchOS are affected. The flaw exists in all builds prior to version 26.3 of each operating system, which includes every release before the 26.3 update that introduced improved packet validation.", "description_and_impact": "The vulnerability permits an attacker with a privileged network position to send specially crafted Bluetooth packets that trigger a denial\u2011of\u2011service condition in Apple operating systems. If successfully exploited, the affected device may crash, halt services, or become entirely unresponsive, compromising availability. The weakness is a resource exhaustion flaw, identified as CWE\u2011400.", "risk_and_exploitability": "The CVSS score of 7.5 places the issue in the high\u2011severity range. However, the EPSS score is less than 1\u202f%, indicating a very low likelihood of exploitation in the wild at present. The flaw appears only in environments where an attacker can transmit Bluetooth traffic to the target device, typically meaning proximity or a compromised Bluetooth network. Because the vulnerability is not listed in the CISA KEV catalog, there is no known widespread exploitation, but the operational impact of a successful denial\u2011of\u2011service attack could still be significant for critical services."}}}}, "created": "2026-02-12T09:02:58.100380+00:00", "title": "Denial of Service via Crafted Bluetooth Packets in Apple Operating Systems", "updated": "2026-04-15T21:15:13.577313+00:00", "vendors": ["apple", "apple$PRODUCT$ios_and_ipados", "apple$PRODUCT$macos", "apple$PRODUCT$tvos", "apple$PRODUCT$visionos", "apple$PRODUCT$watchos"]}