CVE-2026-20694

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This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data."}, {"lang": "es", "value": "Este problema se abord\u00f3 con un manejo mejorado de enlaces simb\u00f3licos. Este problema est\u00e1 solucionado en iOS 26.3 y iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. Una aplicaci\u00f3n podr\u00eda acceder a datos sensibles del usuario."}], "id": "CVE-2026-20694", "lastModified": "2026-06-17T10:17:42.580", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20694", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-26T19:21:12.355848Z", "version": "2.0.3"}}]}, "published": "2026-03-25T01:17:06.217", "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/126349"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126350"}, {"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": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-61"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "iOS and iPadOS", "source": "cna", "vendor": "Apple"}, "product": "ios_and_ipados", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.8.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.8.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.7.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.7.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}, {"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": "2026-03-27T10:51:40.635844+00:00", "value": {"mitigation_remediation": ["Apply the latest iOS 26.3 or iPadOS 26.3 update to restore proper symlink validation.", "Install macOS Sequoia 15.7.4 or 15.7.5, Sonoma 14.8.4 or 14.8.5, or Tahoe 26.3 or 26.4 updates to patch the vulnerability.", "Confirm that the installed version matches the latest update by checking the system version in Settings on iOS or About This Mac on macOS.", "Avoid installing or running untrusted third\u2011party applications that could exploit the flaw, and only download apps from trusted outlets.", "If an update is not yet available for your device, limit potential exposure by using the system\u2019s built\u2011in sandboxing features to restrict file access for new applications, and consider disabling automatic installs of unverified apps."], "summary": {"action": "Patch Update", "impact": "Data Exposure"}, "threat_synthesis": {"affected_systems": "Apple iOS and iPadOS versions earlier than 26.3, macOS Sequoia earlier than 15.7.4, macOS Sonoma earlier than 14.8.4, and macOS Tahoe earlier than 26.3 are susceptible. All previous releases of these operating systems include the vulnerable symlink handling logic. Users on those versions should verify the current system release and apply updates as available.", "description_and_impact": "The flaw arises from insufficient validation of symbolic links during local file access on Apple operating systems. When an application opens a file, the system may follow a symlink that points outside the app\u2019s defined sandbox or intended directories without enforcing proper checks. This allows a malicious or tampered application to read arbitrary files that contain personal or sensitive information, creating a path for data leakage. Consequently, the vulnerability presents a data exposure risk that can be leveraged by any app capable of manipulating file\u2011access decisions or supplying crafted data.", "risk_and_exploitability": "The CVSS score of 5.5 indicates moderate severity, and the EPSS score below 1% suggests a low probability of immediate exploitation in the wild. The flaw is not listed in the known exploited vulnerabilities catalog, implying no widespread or confirmed attacks. Exploitation would generally require local or privileged access, such as a malicious application installed on the device. Therefore, the threat vector is most likely local, and the impact is limited to data exposure rather than remote code execution."}}}}, "created": "2026-03-25T11:36:43.849446+00:00", "title": "Symbolic Link Handling Vulnerability Potentially Allows App-Driven Data Exposure on Apple Operating Systems", "updated": "2026-03-27T15:47:57.312160+00:00", "vendors": ["apple", "apple$PRODUCT$ios_and_ipados", "apple$PRODUCT$macos"]}