{"id":"CVE-2026-78236","aliases":["EUVD-2026-66331","GHSA-733c-6w54-grpx"],"status":"published","title":"Insecure PIN derivation mechanism in Admin By Request (ABR)","description":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00102,"percentile":0.00927,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-285","CWE-287","CWE-327"],"published":"2026-08-26T07:20:58Z","modified":"2026-09-03T18:31:30Z","products":[{"vendor":"admin by request (abr)","product":"admin by request (abr)"}],"references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/"},{"url":"https://docs.adminbyrequest.com/security-advisories/abr-mac-26-01.htm","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78236"},{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110"},{"url":"https://github.com/advisories/GHSA-733c-6w54-grpx"}],"sources":{"cve":[{"id":"CVE-2026-78236","title":"Insecure PIN derivation mechanism in Admin By Request (ABR)","description":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.","status":"published","published":"2026-08-26T07:20:58.647Z","modified":"2026-08-28T06:41:41.298Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-287","CWE-285","CWE-327","CWE-284"],"updated_at":"2026-11-02T13:34:48.658051Z"}],"euvd":[{"id":"EUVD-2026-66331","description":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.","status":"published","published":"2026-08-26T07:20:58Z","modified":"2026-08-28T06:41:41Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:24.093932Z"}],"ghsa":[{"id":"GHSA-733c-6w54-grpx","title":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges...","description":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.","status":"published","published":"2026-09-03T18:31:29Z","modified":"2026-09-03T18:31:30Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:11:19.800842Z"}],"nvd":[{"id":"CVE-2026-78236","description":"An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.","status":"published","published":"2026-08-26T08:16:46.6Z","modified":"2026-09-03T16:59:26.287Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-284","CWE-285","CWE-287","CWE-327"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}