{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86819", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-09-08T14:09:48.155Z", "datePublished": "2026-09-08T20:22:57.586Z", "dateUpdated": "2026-09-08T20:22:57.586Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Waves Central for macOS contains a local privilege escalation in the privileged helper service. The helper authorizes connecting XPC clients by comparing the caller's code-signing certificate chain for equality with its own, rather than validating the caller against a pinned code requirement (application identifier and Team ID). A local, authenticated user can execute code within the vendor-signed process, satisfy the helper's client check, and cause the helper to execute a script with root privileges. Fixed in 17.0."}], "affected": [{"vendor": "Waves Audio Ltd.", "product": "Waves Central", "defaultStatus": "unknown", "versions": [{"version": "16.6.2", "status": "affected", "lessThan": "17.0", "versionType": "semver"}, {"version": "17.0", "status": "unaffected"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-862 Missing Authorization", "lang": "en", "type": "CWE", "cweId": "CWE-862"}]}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}}, {"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-04T19:25:57.404451Z", "id": "CVE-2026-86819", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "Waves Central local privilege escalation via Improper XPC Client Authentication in macOS", "references": [{"name": "url", "url": "https://www.waves.com/downloads/release-notes#v17"}, {"name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2026-86819", "tags": ["vdb-entry"]}, {"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-02.json", "tags": ["third-party-advisory"]}], "credits": [{"value": "Shravan Kumar Sheri, Independent Security Researcher", "lang": "en"}], "datePublic": "2026-09-08T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-09-08T20:22:57.586Z"}}}}

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