{"id":"CVE-2026-86819","state":"PUBLISHED","title":"Waves Central local privilege escalation via Improper XPC Client Authentication in macOS","description":"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.","publishedAt":"2026-09-08T20:22:57.586Z","updatedAt":"2026-09-14T13:50:49.320Z","severity":{"score":8.4,"label":"High","version":"4.0","vector":"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","source":"cisa-cg"},"assigner":"cisa-cg","products":["Waves Audio Ltd. Waves Central"],"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"}]}],"references":["https://www.waves.com/downloads/release-notes#v17","https://www.cve.org/CVERecord?id=CVE-2026-86819","https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-02.json"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86819.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86819","state":"PUBLISHED","datePublished":"2026-09-08T20:22:57.586Z","dateUpdated":"2026-09-14T13:50:49.320Z","assignerShortName":"cisa-cg","assignerOrgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateReserved":"2026-09-08T14:09:48.155Z"},"containers":{"cna":{"title":"Waves Central local privilege escalation via Improper XPC Client Authentication in macOS","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"}]}],"references":[{"url":"https://www.waves.com/downloads/release-notes#v17","name":"url"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-86819","name":"url","tags":["vdb-entry"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-02.json","name":"url","tags":["third-party-advisory"]}],"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"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"cisa-cg","orgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateUpdated":"2026-09-08T20:22:57.586Z"},"credits":[{"value":"Shravan Kumar Sheri, Independent Security Researcher","lang":"en"}],"datePublic":"2026-09-08T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-86819","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-14T13:47:24.516792Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T13:50:49.320Z"}}]}}}