CVE-2026-20701

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{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "14.8.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "15.7.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "26.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "D66288AF-23BD-407A-81F5-F1DFBF84C622", "versionEndExcluding": "14.8.5", "versionStartIncluding": "14.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD21D2C9-BBEC-4E8E-B8D2-C92B7E6155E1", "versionEndExcluding": "15.7.5", "versionStartIncluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "6CF848CD-25D4-4371-BEF3-1ACCE47AD81F", "versionEndExcluding": "26.4", "versionStartIncluding": "26.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to connect to a network share without user consent."}, {"lang": "es", "value": "Se abord\u00f3 un problema de acceso con restricciones de sandbox adicionales. Este problema est\u00e1 solucionado en macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Una aplicaci\u00f3n podr\u00eda conectarse a un recurso compartido de red sin el consentimiento del usuario."}], "id": "CVE-2026-20701", "lastModified": "2026-06-17T10:17:43.593", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "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-2026-20701", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-25T15:42:54.821346Z", "version": "2.0.3"}}]}, "published": "2026-03-25T01:17:06.757", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126794"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126795"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126796"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.8.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.7.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-03-25T21:44:28.516264+00:00", "value": {"mitigation_remediation": ["Update macOS to the latest version (Sequoia\u202f15.7.5, Sonoma\u202f14.8.5, or Tahoe\u202f26.4) to apply the sandbox restriction fix.", "Verify that the system has installed the most recent macOS updates; if updates are pending, apply them promptly."], "summary": {"action": "Immediate Patch", "impact": "Unauthorized network share access"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Apple macOS systems. Versions requiring remediation include macOS Sequoia prior to 15.7.5, macOS Sonoma prior to 14.8.5, and macOS Tahoe prior to 26.4.", "description_and_impact": "An access issue in macOS sandbox restrictions allows an application to connect to a network share without obtaining user consent. This flaw could let malicious or unintended programs access shared resources, potentially exposing sensitive data or enabling further attacks, and it is classified as CWE\u2011693.", "risk_and_exploitability": "With a CVSS base score of 7.5, the flaw is considered high severity. The EPSS score is under 1%, indicating a low likelihood of exploitation at present, and the vulnerability is not listed in the CISA KEV catalog. Attackers would likely need to run a malicious or compromised application locally on the affected machine to trigger the unauthorized network connection, making the attack vector inferred rather than explicitly documented."}}}}, "created": "2026-03-25T11:35:51.712210+00:00", "title": "Unauthorized Network Share Access via Sandbox Bypass in macOS", "updated": "2026-03-25T21:48:08.437855+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}