{"id":"CVE-2026-24071","state":"PUBLISHED","title":"XPC Client Validation via PID leading to Local Privilege Escalation in Native Instruments Native Access","description":"It was found that the XPC service offered by the privileged helper of Native Access  uses the PID of the connecting client to verify its code signature. This is considered insecure and can be exploited by PID reuse attacks. The connection handler function uses _xpc_connection_get_pid(arg2) as argument for the hasValidSignature function. This value can not be trusted since it is vulnerable to PID reuse attacks.","publishedAt":"2026-02-02T13:23:51.846Z","updatedAt":"2026-02-03T14:42:22.938Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"SEC-VLab","products":["Native Instruments Native Access"],"affected":[{"vendor":"Native Instruments","product":"Native Access","defaultStatus":"unknown","versions":[{"version":"verified up to 3.22.0","status":"affected"}],"platforms":["MacOS"]}],"references":["https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-native-instruments-native-access-macos/"],"weaknesses":["CWE-367"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/24xxx/CVE-2026-24071.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24071","state":"PUBLISHED","datePublished":"2026-02-02T13:23:51.846Z","dateUpdated":"2026-02-03T14:42:22.938Z","assignerShortName":"SEC-VLab","assignerOrgId":"551230f0-3615-47bd-b7cc-93e92e730bbf","dateReserved":"2026-01-21T11:29:19.854Z"},"containers":{"cna":{"title":"XPC Client Validation via PID leading to Local Privilege Escalation in Native Instruments Native Access","descriptions":[{"lang":"en","value":"It was found that the XPC service offered by the privileged helper of Native Access  uses the PID of the connecting client to verify its code signature. This is considered insecure and can be exploited by PID reuse attacks. The connection handler function uses _xpc_connection_get_pid(arg2) as argument for the hasValidSignature function. This value can not be trusted since it is vulnerable to PID reuse attacks."}],"affected":[{"vendor":"Native Instruments","product":"Native Access","defaultStatus":"unknown","versions":[{"version":"verified up to 3.22.0","status":"affected"}],"platforms":["MacOS"]}],"references":[{"url":"https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-native-instruments-native-access-macos/","tags":["third-party-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"SEC-VLab","orgId":"551230f0-3615-47bd-b7cc-93e92e730bbf","dateUpdated":"2026-02-02T13:23:51.846Z"},"credits":[{"lang":"en","type":"finder","value":"Florian Haselsteiner, SEC Consult Vulnerability Lab"}],"impacts":[{"capecId":"CAPEC-29","descriptions":[{"lang":"en","value":"CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The vendor was unreachable and did not respond to multiple contact attempts. No patch is available. Customers should contact the vendor and request a patch.</p>"}],"value":"The vendor was unreachable and did not respond to multiple contact attempts. No patch is available. Customers should contact the vendor and request a patch."}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-02T17:08:50.317360Z","id":"CVE-2026-24071","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-03T14:42:22.938Z"}}]}}}